Alert archive / Iowa / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 186, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jun 19, 2010, 11:47 PM CDT for 4 counties in Iowa. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 19, 2010, 11:47 PM CDT (04:47 UTC)
- Expired
- Jun 20, 2010, 12:30 AM CDT
- In force
- 43 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Hancock County, IA, Humboldt County, IA, Kossuth County, IA, Wright County, IA
The radar
The Des Moines radar (KDMX), 137 km from the middle of the area, began a volume at 04:49 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 4.8 hours before the alert went out and 268 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 124 J/kg
- Mixed-layer CIN
- -580 J/kg
- Mixed-layer LCL
- 1883 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 369 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Des Moines, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 19, 11:45 PM CDT, 2 minutes earlier.
Area forecast discussion, Jun 19, 11:45 PM CDT, 2 minutes before
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</html>Hazardous weather outlook, Jun 19, 9:40 PM CDT, 2 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IA 940 PM CDT SAT JUN 19 2010 IAZ023>028-033>039-044>050-057>062-070>075-081>086-092>097-201000- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE- BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER- POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION- CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE- DAVIS- 940 PM CDT SAT JUN 19 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA. .DAY ONE...TONIGHT STRONG TO SEVERE THUNDERSTORMS WILL SPREAD WEST TO EAST ACROSS THE AREA TONIGHT. DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL TO THE SIZE OF HALF DOLLARS ARE THE PRIMARY SEVERE WEATHER THREATS. WIDESPREAD HEAVY RAINFALL OF 1 TO 2 INCHES TO LOCALIZED 3 INCHES COULD LEAD TO FLASH FLOODING. A FLASH FLOOD WATCH IS IN EFFECT TONIGHT. RIVER FLOOD WARNINGS REMAIN IN EFFECT FOR PARTS OF THE AREA. PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR FURTHER DETAILS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY ADDITIONAL SEVERE STORMS ALONG WITH HEAVY RAINFALL IS POSSIBLE SUNDAY THROUGH TUESDAY. A BAND OF THREE TO FIVE INCHES OF RAIN IS QUITE LIKELY OVER CENTRAL IOWA...WITH SOME AREAS RECEIVING OVER 6 INCHES. PERIODS OF THUNDERSTORMS WILL CONTINUE THROUGH FRIDAY...MAINLY DURING THE NIGHT AND EARLY MORNING HOURS. A FLASH FLOOD WATCH AND RIVER FLOOD WARNINGS REMAIN IN EFFECT FOR PARTS OF THE AREA. PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR FURTHER DETAILS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TONIGHT AND SUNDAY. RAINFALL REPORTS WOULD BE GREATLY APPRECIATED AS WELL. IAZ004>007-015>017-201000- EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- 940 PM CDT SAT JUN 19 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA. .DAY ONE...TONIGHT STRONG TO POSSIBLY SEVERE THUNDERSTORMS WILL SPREAD WEST TO EAST ACROSS THE AREA TONIGHT. A FEW STORMS COULD PRODUCE DAMAGING WINDS OR HAIL TO THE SIZE OF QUARTERS. LOCALLY HEAVY RAINFALL COULD LEAD TO ISOLATED FLOODING. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY ADDITIONAL SEVERE STORMS ALONG WITH HEAVY RAINFALL IS POSSIBLE SUNDAY THROUGH TUESDAY. A BAND OF THREE TO FIVE INCHES OF RAIN IS QUITE LIKELY OVER CENTRAL IOWA...WITH SOME AREAS RECEIVING OVER 6 INCHES. PERIODS OF THUNDERSTORMS WILL CONTINUE THROUGH FRIDAY...MAINLY DURING THE NIGHT AND EARLY MORNING HOURS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TONIGHT AND SUNDAY. MJB
In the hours before
Special weather statement, Jun 19, 10:49 PM CDT, 58 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 1049 PM CDT SAT JUN 19 2010 IAZ004>007-015>017-023>028-033>039-044>050-200500- EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE- BOONE-STORY-MARSHALL-TAMA- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON... BOONE...AMES...MARSHALLTOWN...TOLEDO 1049 PM CDT SAT JUN 19 2010 ...STRONG THUNDERSTORMS POSSIBLE TONIGHT... SCATTERED THUNDERSTORMS WILL CONTINUE TO ADVANCE ACROSS CENTRAL AND NORTHERN IOWA INTO THE EARLY MORNING HOURS...MAINLY ALONG AND NORTH OF INTERSTATE 80. SOME OF THE STRONGER STORMS MAY PRODUCE DIME TO QUARTER SIZED HAIL...FREQUENT LIGHTNING AND LOCALLY HEAVY RAINS. SMALL
Local storm report, Jun 19, 10:54 PM CDT, 53 minutes before
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</html>Local storm report, Jun 19, 11:24 PM CDT, 23 minutes before
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</html>Special weather statement, Jun 19, 11:29 PM CDT, 18 minutes before
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</html>The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 10:38 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Sac | 37 min |
| Jun 19, 11:34 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 41 min |
| Jun 20, 1:26 AM CDT | Areal Flood Advisory | DMX | Appanoose, Decatur, Wayne | 3 hr |
Nearby
Severe Thunderstorm Warnings in Iowa, 2010Every severe thunderstorm warning in 2010
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.