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 221019
HWOFSD

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
519 AM CDT FRI AUG 22 2014

IAZ001>003-012>014-020>022-032-MNZ071-072-080-081-089-090-097-098-
SDZ038>040-050-052>067-231030-
LYON IA-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY IA-PLYMOUTH-CHEROKEE-
BUENA VISTA-IDA-LINCOLN MN-LYON MN-MURRAY-COTTONWOOD-NOBLES-
JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-
SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-
MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN SD-
519 AM CDT FRI AUG 22 2014

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

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WILL SLOWLY BUILD INTO THE AREA FROM THE SOUTHWEST THIS
EVENING INTO THE OVERNIGHT HOURS. THE THREAT FOR SEVERE WEATHER WILL
BE LOW...BUT AN ISOLATED STORM MAY CONTAIN QUARTER SIZED HAIL AND
DAMAGING WINDS. THE MAIN RISK WILL BE HEAVY RAINFALL...WITH LOCALLY
UP TO 2 TO 4 INCHES OF RAINFALL POSSIBLE THROUGH SATURDAY NIGHT.
STAY TUNED FOR FURTHER UPDATES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

OCCASIONAL SHOWERS AND THUNDERSTORMS WILL PERSIST THROUGH THE DAY ON
SATURDAY...BEFORE TAPERING OFF SATURDAY NIGHT. THE MAIN THREAT WILL
BE HEAVY RAINFALL...HOWEVER SMALL HAIL AND GUSTY WINDS TO 45 MPH WILL
BE POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

$$

IAZ031-NEZ013-014-SDZ068>071-231030-
WOODBURY-DIXON-DAKOTA-BON HOMME-YANKTON-CLAY SD-UNION-
519 AM CDT FRI AUG 22 2014

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

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WILL SLOWLY BUILD INTO THE AREA FROM THE SOUTHWEST THIS
EVENING INTO THE OVERNIGHT HOURS. ISOLATED SEVERE STORMS WILL BE
POSSIBLE OVERNIGHT WITH HAIL UP TO HALF DOLLAR SIZE AND GUSTS TO 65
MPH. HEAVY RAINFALL IS ALSO EXPECTED...WITH LOCALLY UP TO 2 TO 4
INCHES OF RAINFALL POSSIBLE THROUGH SATURDAY NIGHT. STAY TUNED FOR
FURTHER UPDATES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

OCCASIONAL SHOWERS AND THUNDERSTORMS WILL PERSIST THROUGH THE DAY ON
SATURDAY...BEFORE TAPERING OFF SATURDAY NIGHT. THE MAIN THREAT WILL
BE HEAVY RAINFALL...HOWEVER SMALL HAIL AND GUSTY WINDS TO 45 MPH WILL
BE POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE POSSIBLE AFTER 9 PM CDT THIS EVENING.

$$










 

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.