August 4, 2012 - Severe Weather Event - Updated with Radar Data

A cold front moved through the area during the early afternoon hours August 4th, 
bringing some much needed rain to many crops; especially ones north of
Interstate 80. Rainfall totals ranged from 2.45 inches at both the Davenport
Airport and one mile east of Princeton, IA to 0.06 inches at the Burlington
Airport. High temperatures ranged from 93 degrees at the Sterling, IL Airport
to 81 degrees at the Vinton, IA Airport.

 

Radar Loop Courtesy of the Iowa Environmental Mesonet  Click on image to enlarge.

Click on image to enlarge.
Click on image to enlarge.

 

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
837 PM CDT SAT AUG 04 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1202 PM     TSTM WND GST     5 W NORTH ENGLISH       41.52N 92.17W
08/04/2012  E50.00 MPH       IOWA               IA   EMERGENCY MNGR

            EMERGENCY MANAGER REPORTED WINDS NEAR 50 MPH WITH HEAVY
            RAIN.

1225 PM     TSTM WND GST     W NORWAY                41.90N 91.93W
08/04/2012  E65.00 MPH       BENTON             IA   TRAINED SPOTTER

            SPOTTER ESTIMATED SUSTAINED 40 GUST 60-70 MPH.

1225 PM     TSTM WND DMG     FRYTOWN                 41.57N 91.73W
08/04/2012                   JOHNSON            IA   EMERGENCY MNGR

            TREES DOWN AND WINDOWS BLOWN OUT OF A RESIDENCE. A GRAIN
            BIN IS ALSO REPORTED DOWN. DELAYED REPORT.

1228 PM     TSTM WND GST     W NORWAY                41.90N 91.93W
08/04/2012  E65.00 MPH       BENTON             IA   TRAINED SPOTTER

            WINDS ESTIMATED AT 60 TO 65 MPH WITH HEAVY RAIN WITH
            VISIBILITY OF A QUARTER OF A MILE OR LESS.

1235 PM     TSTM WND DMG     5 NW IOWA CITY          41.71N 91.60W
08/04/2012                   JOHNSON            IA   TRAINED SPOTTER

            3 INCH DIAMETER TREE BRANCH DOWN ON HOME. NUMEROUS
            SMALLER BRANCHES DOWN.

1235 PM     TSTM WND GST     5 NW IOWA CITY          41.71N 91.60W
08/04/2012  E60.00 MPH       JOHNSON            IA   TRAINED SPOTTER

1236 PM     TSTM WND GST     3 WNW IOWA CITY         41.68N 91.58W
08/04/2012  E60.00 MPH       JOHNSON            IA   TRAINED SPOTTER

            A TRAINED SPOTTER REPORTED ESTIMATED WIND GUSTS OF 50 TO
            60 MPH.

1238 PM     TSTM WND GST     CEDAR RAPIDS MUNICIPAL  41.88N 91.72W
08/04/2012  M72.00 MPH       LINN               IA   ASOS

            MEASURED FROM ASOS.

1238 PM     TSTM WND GST     CEDAR RAPIDS MUNICIPAL  41.88N 91.72W
08/04/2012  M72.00 MPH       LINN               IA   ASOS

1240 PM     TSTM WND GST     1 SSE CEDAR RAPIDS      41.95N 91.66W
08/04/2012  E60.00 MPH       LINN               IA   TRAINED SPOTTER

            A TRAINED SPOTTER ESTIMATED WINDS OF 50 TO 60 MPH.

1246 PM     HEAVY RAIN       4 N IOWA CITY           41.71N 91.53W
08/04/2012  E1.00 INCH       JOHNSON            IA   TRAINED SPOTTER

            SPOTTER REPORTED THAT PRECIP FELL IN 20 MINUTES.

1247 PM     TSTM WND GST     5 NNE CEDAR RAPIDS      42.04N 91.65W
08/04/2012  E65.00 MPH       LINN               IA   TRAINED SPOTTER

            A TRAINED SPOTTER ESTIMATED THUNDERSTORM WINDS OF 06 TO
            65 MPH.

1247 PM     TSTM WND GST     1 SSE CEDAR RAPIDS      41.95N 91.66W
08/04/2012  E60.00 MPH       LINN               IA   TRAINED SPOTTER

1247 PM     TSTM WND GST     1 SSE CEDAR RAPIDS      41.95N 91.66W
08/04/2012  E75.00 MPH       LINN               IA   TRAINED SPOTTER

            A TRAINED SPOTTER ESTIMATED WINDS OF 70 TO 75 MPH.

1248 PM     TSTM WND GST     2 NNW NORTH LIBERTY     41.76N 91.62W
08/04/2012  E65.00 MPH       JOHNSON            IA   TRAINED SPOTTER

            ESTIMATED 60 TO 65 MPH.

1248 PM     TSTM WND GST     ELY                     41.88N 91.59W
08/04/2012  M70.00 MPH       LINN               IA   PUBLIC

            ESTIMATED WINDS OF 60 TO 70 MPH. HEAVY RAIN IS REDUCING
            VISIBILITY.

1248 PM     TSTM WND DMG     2 NNW NORTH LIBERTY     41.76N 91.62W
08/04/2012                   JOHNSON            IA   TRAINED SPOTTER

            ALUMINUM FLAG POLE SNAPPED AND SEVERAL TREES DAMAGED.

1248 PM     TSTM WND DMG     1 SW CEDAR RAPIDS       41.96N 91.69W
08/04/2012                   LINN               IA   TRAINED SPOTTER

            A TRAINED SPOTTER REPORTED 3 TO 4 INCH DIAMETER TREE
            LIMBS DOWN. ESTIMATED WIND GUSTS OF 70 TO 75 MPH.

1255 PM     TSTM WND DMG     1 SSE CEDAR RAPIDS      41.97N 91.66W
08/04/2012                   LINN               IA   TRAINED SPOTTER

            SPOTTER REPORT OF 12 INCH TREE TOWN. REPORT WAS DELAYED.


0105 PM     FLASH FLOOD      CEDAR RAPIDS            41.97N 91.67W
08/04/2012                   LINN               IA   EMERGENCY MNGR

            REPORT OF CARS FLOATING ON J STREET

0112 PM     TSTM WND DMG     1 ENE DEWITT            41.82N 90.53W
08/04/2012                   CLINTON            IA   TRAINED SPOTTER

            A 5 INCH TREE LIMB DOWN. REPORT WAS DELAYED.

0113 PM     HEAVY RAIN       1 SSE CEDAR RAPIDS      41.95N 91.66W
08/04/2012  M1.90 INCH       LINN               IA   TRAINED SPOTTER

            A TRAINED SPOTTER REPORTED THAT THE RAIN FELL IN 30
            MINUTES.

0114 PM     TSTM WND GST     2 E BENNETT             41.74N 90.94W
08/04/2012  E65.00 MPH       CEDAR              IA   TRAINED SPOTTER

0114 PM     TSTM WND GST     2 S CLARENCE            41.86N 91.06W
08/04/2012  E72.00 MPH       CEDAR              IA   TRAINED SPOTTER

            REPORT VIA ESPOTTER.

0116 PM     TSTM WND GST     5 E RYAN                42.35N 91.38W
08/04/2012  E70.00 MPH       DELAWARE           IA   EMERGENCY MNGR

            ESTIMATED 60 TO 70 MPH WINDS. RELAYED BY DELAWARE COUNTY
            SHERIFFS OFFICE.

0117 PM     HEAVY RAIN       VINTON                  42.16N 92.03W
08/04/2012  M1.28 INCH       BENTON             IA   EMERGENCY MNGR

            RAIN FELL IN 40 MINUTES.

0117 PM     HEAVY RAIN       RIVERSIDE               41.48N 91.57W
08/04/2012  M1.79 INCH       WASHINGTON         IA   PUBLIC

            RAIN FELL IN 60 MINUTES.

0117 PM     TSTM WND GST     TIPTON                  41.77N 91.13W
08/04/2012  E60.00 MPH       CEDAR              IA   PUBLIC

            REPORT VIA ESPOTTER

0120 PM     TSTM WND GST     WHEATLAND               41.83N 90.84W
08/04/2012  E70.00 MPH       CLINTON            IA   AMATEUR RADIO

            TIME ESTIMATED

0135 PM     TSTM WND DMG     1 S LOW MOOR            41.79N 90.35W
08/04/2012                   CLINTON            IA   AMATEUR RADIO

            FRUIT TREE DOWNED

0139 PM     HEAVY RAIN       SSE TIPTON              41.77N 91.13W
08/04/2012  M1.84 INCH       CEDAR              IA   TRAINED SPOTTER

            60 MPH WINDS AND MINOR STREET FLOODING

0147 PM     HAIL             3 SSE CHARLOTTE         41.92N 90.44W
08/04/2012  M0.25 INCH       CLINTON            IA   TRAINED SPOTTER

            E50 MPH WINDS WITH 2-3 INCH BRANCHES DOWN

0150 PM     HEAVY RAIN       5 N DAVENPORT           41.63N 90.60W
08/04/2012  M1.60 INCH       SCOTT              IA   NWS EMPLOYEE

            15 MINUTES FROM DVN AIRPORT ASOS

0150 PM     HEAVY RAIN       HOPKINTON               42.34N 91.25W
08/04/2012  U0.00 INCH       DELAWARE           IA   EMERGENCY MNGR

            HEAVY RAIN CAUSED WATER TO RISE TO 8 INCHES DEEP ON LOCAL
            ROAD

0152 PM     HEAVY RAIN       1 SSE CEDAR RAPIDS      41.95N 91.66W
08/04/2012  M1.90 INCH       LINN               IA   TRAINED SPOTTER

            STORM TOTAL

0153 PM     TSTM WND GST     DAVENPORT               41.56N 90.60W
08/04/2012  M50.00 MPH       SCOTT              IA   TRAINED SPOTTER

            ESTIMATED 40-50 MPH WITH NO HAIL YET. VIA ESPOTTER.

0154 PM     TSTM WND GST     DAVENPORT               41.56N 90.60W
08/04/2012  E60.00 MPH       SCOTT              IA   PUBLIC

0154 PM     TSTM WND GST     CLINTON MUNICIPAL AIRPO 41.83N 90.33W
08/04/2012  E57.00 MPH       CLINTON            IA   AWOS

0157 PM     TSTM WND DMG     S ALBANY                41.79N 90.22W
08/04/2012                   WHITESIDE          IL   TRAINED SPOTTER

            TREE LIMBS DOWN APPROXIMAELY 3 INCHES IN DIAMETER ALONG
            WITH VERY HEAVY RAIN.

0200 PM     HEAVY RAIN       ANAMOSA                 42.11N 91.28W
08/04/2012  M1.49 INCH       JONES              IA   PUBLIC

0200 PM     HEAVY RAIN       ANAMOSA                 42.11N 91.28W
08/04/2012  M1.49 INCH       JONES              IA   CO-OP OBSERVER

0201 PM     TSTM WND GST     4 SSW BETTENDORF        41.52N 90.51W
08/04/2012  M56.00 MPH       ROCK ISLAND        IL   DEPT OF HIGHWAYS

            IOWA DEPARTMENT OF TRANSPORTATION RWIS ON THE I74 BRIDGE

0201 PM     TSTM WND DMG     CLINTON                 41.84N 90.23W
08/04/2012                   CLINTON            IA   TRAINED SPOTTER

            A TRAINED SPOTTER REPORTED AN 18 TO 24 INCH TREE DOWN
            ACROSS NORTH 3RD STREET IN THE CITY OF CLINTON.

0205 PM     TSTM WND GST     3 SE FULTON             41.83N 90.12W
08/04/2012  E80.00 MPH       WHITESIDE          IL   TRAINED SPOTTER

            DELAYED REPORT VIA ESPOTTER

0206 PM     TSTM WND DMG     2 E CLINTON             41.84N 90.20W
08/04/2012                   CLINTON            IA   TRAINED SPOTTER

            E50 MPH WINDS PRODUCING SMALL TREE LIMBS DOWN

0209 PM     TSTM WND GST     2 W USTICK              41.88N 90.04W
08/04/2012  E70.00 MPH       WHITESIDE          IL   TRAINED SPOTTER

            ESTIMATED 60-70 MPH WINDS, 3 INCH BRANCHES DOWN

0210 PM     TSTM WND GST     4 NE MORRISON           41.85N 89.91W
08/04/2012  E65.00 MPH       WHITESIDE          IL   PUBLIC

            SEVERAL LARGE TREE BRANCHES ALSO DOWN.

0215 PM     TSTM WND DMG     1 SW MALVERN            41.84N 89.90W
08/04/2012                   WHITESIDE          IL   TRAINED SPOTTER

            HUGE OAK TREE WENT DOWN IN FRONT OF ME. NUMEROUS LARGE
            BRANCHES DOWN ESTIMATED 4-6 INCH DIAMETER. ESTIMATED
            SUSTAINED WINDS 60 WITH GUST OVER 70 MPH. VIA ESPOTTER.

0222 PM     TSTM WND GST     2 ESE FULTON            41.85N 90.12W
08/04/2012  M55.00 MPH       WHITESIDE          IL   TRAINED SPOTTER

            REPORT WAS DELAYED

0225 PM     TSTM WND DMG     MILLEDGEVILLE           41.96N 89.78W
08/04/2012                   CARROLL            IL   EMERGENCY MNGR

            E40 TO 60 MPH WINDS WITH A REPORT OF TWO BUILDINGS DOWN
            AT THE FAIRGROUNDS

0225 PM     HEAVY RAIN       3 ENE ROCK FALLS        41.80N 89.64W
08/04/2012  M1.50 INCH       WHITESIDE          IL   TRAINED SPOTTER

            STORM TOTAL OVER 30 MINS, E50-60 MPH WIND GUSTS

0225 PM     TSTM WND DMG     STERLING                41.80N 89.69W
08/04/2012                   WHITESIDE          IL   TRAINED SPOTTER

            FEW LARGE DIAMETER TREE BRANCHES DOWN. MINOR STREET
            FLOODING. 1.53 INCHES OF RAIN SO FAR. VIA ESPOTTER

0225 PM     TSTM WND GST     5 N PEARL CITY          42.34N 89.83W
08/04/2012  E60.00 MPH       STEPHENSON         IL   EMERGENCY MNGR

0227 PM     HEAVY RAIN       1 W BETTENDORF          41.56N 90.49W
08/04/2012  M1.13 INCH       SCOTT              IA   TRAINED SPOTTER

            ALSO WINDS ESTIMATED AROUND 40 MPH.

0228 PM     HEAVY RAIN       CORDOVA                 41.68N 90.32W
08/04/2012  M1.50 INCH       ROCK ISLAND        IL   TRAINED SPOTTER

            40 MINUTE RAIN FALL TOTAL.

0228 PM     HEAVY RAIN       1 E PRINCETON           41.67N 90.34W
08/04/2012  M2.45 INCH       SCOTT              IA   TRAINED SPOTTER

            40 MINUTE RAINFALL TOTAL.

0239 PM     HAIL             LENA                    42.38N 89.83W
08/04/2012  M0.25 INCH       STEPHENSON         IL   EMERGENCY MNGR

0240 PM     HEAVY RAIN       6 N DAVENPORT           41.64N 90.60W
08/04/2012  M2.45 INCH       SCOTT              IA   ASOS

            RAIN TOTAL FROM 138PM TO 240 PM. PEAK WIND GUST 52 MPH
            FROM THE WEST NORTHWEST AT 136PM.

0241 PM     HEAVY RAIN       1 ENE DEWITT            41.82N 90.53W
08/04/2012  M1.61 INCH       CLINTON            IA   TRAINED SPOTTER

            STORM TOTAL

0243 PM     HEAVY RAIN       PARK VIEW               41.69N 90.54W
08/04/2012  M2.10 INCH       SCOTT              IA   NWS EMPLOYEE

0245 PM     TSTM WND GST     FREEPORT                42.29N 89.63W
08/04/2012  E50.00 MPH       STEPHENSON         IL   TRAINED SPOTTER

            WIND GUST ESTIMATED OF 45 TO 50 MPH.

0245 PM     HEAVY RAIN       4 S DEWITT              41.76N 90.55W
08/04/2012  M1.50 INCH       SCOTT              IA   CO-OP OBSERVER

0245 PM     TSTM WND DMG     SAVANNA                 42.09N 90.14W
08/04/2012                   CARROLL            IL   EMERGENCY MNGR

            REPORT OF POWER LINES DOWN ACROSS CARROLL COUNTY

0249 PM     TSTM WND GST     2 WNW FREEPORT          42.30N 89.67W
08/04/2012  M58.00 MPH       STEPHENSON         IL   TRAINED SPOTTER

0255 PM     TSTM WND DMG     1 SSE CEDAR RAPIDS      41.95N 91.66W
08/04/2012                   LINN               IA   TRAINED SPOTTER

            NUMEROUS UP TO 3 INCH DIAMETER LIMBS DOWN

0255 PM     HEAVY RAIN       ENE DEWITT              41.82N 90.54W
08/04/2012  M1.75 INCH       CLINTON            IA   TRAINED SPOTTER

            STORM TOTAL

0257 PM     TSTM WND DMG     FREEPORT                42.29N 89.63W
08/04/2012                   STEPHENSON         IL   TRAINED SPOTTER

            CHICAGO AVE CLOSED DUE TO AN ESTIMATED 1 TO 1.5 FOOT
            DIAMETER SIZE TREE DOWN ACCROSS ROAD.

0300 PM     HEAVY RAIN       2 ESE FULTON            41.85N 90.12W
08/04/2012  M1.30 INCH       WHITESIDE          IL   TRAINED SPOTTER

0304 PM     HEAVY RAIN       3 NNW PARIS             42.27N 91.60W
08/04/2012  M1.69 INCH       LINN               IA   TRAINED SPOTTER

            STORM TOTAL

0312 PM     HEAVY RAIN       1 WNW MORRISON          41.81N 89.98W
08/04/2012  M1.40 INCH       WHITESIDE          IL   TRAINED SPOTTER

            STILL RAINING LIGHTLY

0346 PM     TSTM WND DMG     BETTENDORF              41.56N 90.48W
08/04/2012                   SCOTT              IA   NWS EMPLOYEE

            AT MIDDLE ROAD AND 29TH, SEVERAL 3 TO 4 INCH BRANCHES
            DOWN.

0400 PM     HEAVY RAIN       5 SSE COUNCIL HILL      42.42N 90.31W
08/04/2012  M2.05 INCH       JO DAVIESS         IL   TRAINED SPOTTER

            STORM TOTAL

0439 PM     HEAVY RAIN       5 NW LANARK             42.16N 89.89W
08/04/2012  M1.00 INCH       CARROLL            IL   TRAINED SPOTTER

            STORM TOTAL

0501 PM     HEAVY RAIN       LE CLAIRE               41.60N 90.36W
08/04/2012  M1.40 INCH       SCOTT              IA   TRAINED SPOTTER

0507 PM     HEAVY RAIN       4 N MARENGO             41.85N 92.07W
08/04/2012  M1.59 INCH       IOWA               IA   TRAINED SPOTTER

            STORM TOTAL, DELAYED REPORT

0601 PM     HEAVY RAIN       1 ESE WASHINGTON        41.30N 91.68W
08/04/2012  M1.13 INCH       WASHINGTON         IA   TRAINED SPOTTER
24 HOUR PRECIPITATION DATA IN INCHES, 
FOR EASTERN IOWA,
NORTHWEST AND WEST CENTRAL ILLINOIS,
AND NORTHEAST MISSOURI,
REPORTED BETWEEN MIDNIGHT AND 9 AM,
SUNDAY AUGUST 5, 2012.


EASTERN IOWA

Davenport Airport 2.45
*Calamus 2.0 NE, IA 2.45
Cedar Rapids Airport 2.08
*Eldridge 3.5 NE, IA 1.99
Coggon 1.91
Iowa City Airport 1.80
Dubuque Airport 1.79
Monticello 1.68
*Ely 0.5 SE, IA 1.63
*Le Claire 1.8 NNE, IA 1.58
*Cedar Rapids 3.2 E, IA 1.56
De Witt 4S 1.53
*Delmar 2.3 NW, IA 1.48
*Camanche 1.2 W, IA 1.43
Williamsburg 1.40
*Andrew 0.1 S, IA 1.26
Pella AWOS 1.19
*Quasqueton 0.4 WSW, IA 1.19
*Cedar Rapids 2.1 ENE, IA 1.17
Lowden 1.16
*Central City 6.7 W, IA 1.06
*Marion 1.2 NE, IA 1.00
*Davenport 0.9 SSW, IA 0.97
*Cedar Rapids 3.4 NW, IA 0.95
*Bettendorf 2.2 SE, IA 0.94
Brighton 3 N 0.92
Washington 0.82
Gilman 0.80
Oskaloosa 0.77
Maquoketa 4W 0.72
Grinnell 0.71
Marshalltown 0.67
Toledo 0.64
Marshalltown ASOS 0.64
Keokuk LD19 0.61
*Solon 0.3 ESE, IA 0.48
Grinnell AWOS 0.46
Ottumwa ASOS 0.25
*Asbury 0.1 WNW, IA 0.23
Tripoli 0.18
Strawberry Point 0.18
Waterloo ASOS 0.17
Oskaloosa AWOS 0.17
Dubuque LD11 0.17
Donnellson 0.16
Guttenburg Dam 0.15
Stanley 0.13
*Farmington 3.5 W, IA 0.10
*Burlington 6.5 SSW, IA 0.07
Burlington Airport 0.06
Salem 1S 0.05
Bloomfield 0.05
Keosauqua 0.04


NORTHWEST AND WEST CENTRAL ILLINOIS

*Coleta 1.4 SSW, IL 1.53
Steward 1.52
Morrison 1.48
*Chadwick 2.7 WSW, IL 1.46
Lanark 1.31
*Morrison 3.2 E, IL 1.30
Mendota 1.25
*Princeton 1.1 SE, IL 1.03
Elizabeth 1.00
*Roseville 0.6 WNW, IL 0.97
Galena 0.92
*Macomb 3.8 NW, IL 0.82
Freeport WWTP 0.78
Prarie City 2S 0.75
Jacksonville AWOS 0.74
*Dallas City 3.0 SSE, IL 0.73
*Freeport 2.0 NW, IL 0.69
Camp Grove 2SW 0.67
Peoria ASOS 0.62
La Harpe 0.62
*Macomb 0.6 WNW, IL 0.49
Rockford ASOS 0.45
*Winslow 4.3 ESE, IL 0.41
Bentley 0.37
*Colchester 3.5 NE, IL 0.36
Aledo 0.35
*Coal Valley 1.9 SE, IL 0.35
Bradford 3SSE 0.32
*Orion 4.1 NW, IL 0.28
St David 0.27
Stockton 3NNE 0.26
Quad City Airport 0.25
New Boston LD17 0.25
*New Windsor 2.0 N, IL 0.20
Roscoe 2SE 0.19
Galesburg 0.19
Kewanee 1E 0.11
Streator 0.05
Marshall Co-Lacon AWOS 0.04
Gladstone LD18 0.02
Rochelle AWOS 0.00
Quincy ASOS 0.00
Altona 0.00


NORTHEAST MISSOURI

*Kahoka 3.1 W, MO 0.32
Memphis 0.28
Kirksville 0.16
Downing 0.04
Jacksonville AWOS 0.00


*CoCoRaHs Reports are considered supplemental
and unofficial. For more infomation on the
CoCoRaHs program visit www.cocorahs.org.

 


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