National Weather Service - Sioux Falls, SD -
Experimental Enhanced Hazardous Weather Outlook (EHWO)

The Experimental Enhanced Hazardous Weather Outlook is an experimental product that will be posted to this page for evaluation. We encourage your comments or suggestions for improvements using the electronic survey provided. Your feedback will help us determine product utility, if modifications are needed, and whether the product should become part of our operational suite.
The Experimental Enhanced Hazardous Weather Outlook is a decision support service that supports preparedness and response efforts prior to and during hazardous weather.  This service provides decision makers with convenient access to potential weather hazard information by graphically depicting the risk of weather hazards out through seven days.
Risk Level - Legend
None
Limited
Elevated
Significant
Extreme
Risk - Limited
Risk - Elevated
Risk - Significant
Risk - Excessive
Note: To display hazard maps, click on any of the risk level indicators below.
Risk
Level
Risk
Level
Tornado
Tornado Day 1 Threat
Fog
Fog Risk Day 1
Hail
Hail Day 1 Threat
Non - Thunderstorm Winds
Non-Thunderstorm Wind Risk Day 1
Thunderstorm Wind Gusts
Thunderstorm Wind Gusts Threat Day 1
Excessive Heat
Excessive Heat Risk Day 1
Flash Flooding
Flash Flooding Risk Day 1
Snow and Sleet
Snow and Sleet Risk Day 1
Lightning
Lightning Risk Day 1
Ice Accumulation
Ice Accumulation Risk Day 1
Spotter Outlook
Spotter Outlook Level
Frost and Freeze
Frost and Freeze Risk Day 1
Fire Weather
Fire Weather Risk - Day 1
Excessive Cold
Excessive Cold Risk Day 1
Risk
Level
Severe Thunderstorms
Severe Thunderstorm Risk Day 2
Severe Thunderstorm Risk Day 3
Severe Thunderstorm Risk Day 4
Severe Thunderstorm Risk Day 5
Severe Thunderstorm Risk Day 6
Severe Thunderstorm Risk Day 7
Lightning
Lightning Risk Day 2
Lightning Risk Day 3
Lightning Risk Day 4
Lightning Risk Day 5
Lightning Risk Day 6
Lightning Risk Day 7
Flash Flooding
Flooding Risk Day 2
Flooding Risk Day 3
Flooding Risk Day 4
Flooding Risk Day 5
Flooding Risk Day 6
Flooding Risk Day 7
Fire Weather
Fire Weather Risk - Day 2
Fire Weather Risk - Day 3
Fire Weather Risk - Day 4
Fire Weather Risk - Day 5
Fire Weather Risk - Day 6
Fire Weather Risk - Day 7
Fog
Fog Risk Day 2
Fog Risk Day 3
Fog Risk Day 4
Fog Risk Day 5
Fog Risk Day 6
Fog Risk Day 7
Non - Thunderstorm Winds
Non Thunderstorm Wind Risk Day 2
Non Thunderstorm Winds Risk Day 3
Non Thunderstorm Wind Risk Day 4
Non Thunderstorm Wind Risk Day 5
Non Thunderstorm Wind Risk Day 6
Non Thunderstorm Wind Risk Day 7
Excessive Heat
Excessive Heat Risk Day 2
Excessive Heat Risk Day 3
Excessive Heat Risk Day 4
Excessive Heat Risk Day 5
Excessive Heat Risk Day 6
Excessive Heat Risk Day 7
Snow and Sleet
Snow and Sleet Risk Day 2
Snow and Sleet Risk Day 3
Snow and Sleet Risk Day 4
Snow and Sleet Risk Day 5
Snow and Sleet Risk Day 6
Snow and Sleet Risk Day 7
Ice Accumulation
Ice Accumulation Risk Day 2
Ice Accumulation Risk Day 3
Ice Accumulation Risk Day 4
Ice Accumulation Risk Day 5
Ice Accumulation Risk Day 6
Ice Accumulation Risk Day 7
Frost and Freeze
Frost and Freeze Risk Day 2
Frost and Freeze Risk Day 3
Frost and Freeze Risk Day 4
Frost and Freeze Risk Day 5
Frost and Freeze Risk Day 6
Frost and Freeze Risk Day 7
Excessive Cold
Excessive Cold Risk Day 2
Excessive Cold Risk Day 3
Excessive Cold Risk Day 4
Excessive Cold Risk Day 5
Excessive Cold Risk Day 6
Excessive Cold Risk Day 7
 
National Weather Service - Sioux Falls, SD
Hazardous Weather Outlook Text

000
FLUS43 KFSD 221117
HWOFSD

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
617 AM CDT TUE APR 22 2014

SDZ038-050-052-053-057>060-063>065-068-069-231130-
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-HANSON-
CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-YANKTON-
617 AM CDT TUE APR 22 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
SOUTH DAKOTA...SOUTH CENTRAL SOUTH DAKOTA AND SOUTHEAST SOUTH
DAKOTA.

.DAY ONE...TODAY AND TONIGHT

GUSTY SOUTHEAST WINDS AND LOW HUMIDITY WILL RESULT IN A VERY HIGH
FIRE DANGER THIS AFTERNOON.

ISOLATED THUNDERSTORMS WILL DEVELOP AFTER MIDNIGHT TONIGHT... HOWEVER
NO SEVERE WEATHER IS EXPECTED WITH THIS ACTIVITY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

SCATTERED THUNDERSTORMS WILL BE POSSIBLE LATE WEDNESDAY AFTERNOON AND
WEDNESDAY EVENING. ISOLATED STRONG STORMS WILL BE POSSIBLE DURING
THIS TIME...ESPECIALLY IN AREAS SOUTH OF INTERSTATE 90.

GUSTY SOUTH WINDS OF 20 TO 35 MPH WILL PRODUCE A VERY HIGH FIRE
DANGER AGAIN WEDNESDAY. STRONGER WEST TO NORTHWEST WINDS ALONG WITH
LOWER RELATIVE HUMIDITY ARE EXPECTED THURSDAY...RESULTING IN VERY
HIGH TO POSSIBLY EXTREME FIRE DANGER THURSDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

$$

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ039-040-054>056-061-062-066-067-070-071-231130-
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-ROCK-DIXON-DAKOTA-KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-
MCCOOK-MINNEHAHA-TURNER-UNION-
617 AM CDT TUE APR 22 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
IOWA...SOUTHWEST MINNESOTA...NORTHEAST NEBRASKA...EAST CENTRAL
SOUTH DAKOTA AND SOUTHEAST SOUTH DAKOTA.

.DAY ONE...TODAY AND TONIGHT

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

STRONG SOUTH WINDS OF 25 TO 40 MPH WILL BE FOUND ACROSS THE AREA
WEDNESDAY. THIS WILL LEAD TO A VERY HIGH FIRE DANGER WEDNESDAY
AFTERNOON. GUSTY NORTHWEST WINDS AND LOW RELATIVE HUMIDITY WILL
RESULT IN A VERY HIGH FIRE DANGER AGAIN ON THURSDAY.

THUNDERSTORMS ARE EXPECTED TO MOVE ACROSS THE AREA WEDNESDAY NIGHT.
WIDESPREAD SEVERE WEATHER IS NOT EXPECTED. HOWEVER ISOLATED STRONG
TO SEVERE STORMS ARE POSSIBLE WEDNESDAY EVENING IN AREAS NEAR THE
MISSOURI RIVER VALLEY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

$$








 

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