Alert archive / Iowa / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 99, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jun 3, 2012, 9:23 PM CDT for Hancock County, Kossuth County, Wright County, Iowa. It was in force for 22 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 3, 2012, 9:23 PM CDT (02:23 UTC)
- Expired
- Jun 3, 2012, 9:45 PM CDT
- In force
- 22 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Hancock County, IA, Kossuth County, IA, Wright County, IA
The radar
The Des Moines radar (KDMX), 136 km from the middle of the area, began a volume at 02:24 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 3, 9:24 PM CDT | HAIL 1 | 4 Ssw Corwith, IA | MOSTLY PEA TO DIME SIZE HAIL WITH A FEW QUARTER SIZE STONES |
| Jun 3, 9:27 PM CDT | HAIL 0.88 | 5 W Kanawha, IA | DIME TO NICKEL SIZE HAIL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.4 hours before the alert went out and 214 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2161 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
341
WUUS53 KDMX 040223
SVRDMX
IAC081-109-197-040245-
/O.NEW.KDMX.SV.W.0099.120604T0223Z-120604T0245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
923 PM CDT SUN JUN 3 2012
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN HANCOCK COUNTY IN NORTH CENTRAL IOWA...
SOUTHEASTERN KOSSUTH COUNTY IN NORTH CENTRAL IOWA...
NORTHWESTERN WRIGHT COUNTY IN NORTH CENTRAL IOWA...
* UNTIL 945 PM CDT
* AT 921 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS
STORM WAS LOCATED 14 MILES SOUTHWEST OF BRITT...OR 14 MILES
SOUTHEAST OF ALGONA...AND MOVING SOUTHEAST AT 20 MPH.
* LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF EXTREME NORTHWESTERN WRIGHT...EXTREME
SOUTHEASTERN KOSSUTH AND SOUTHWESTERN HANCOCK COUNTIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO AN INTERIOR ROOM AND STAY AWAY FROM WINDOWS. IF YOU ARE IN A
MOBILE HOME...GET OUT NOW...AND SEEK SHELTER IN A REINFORCED
BUILDING.
&&
LAT...LON 4306 9400 4295 9382 4284 9391 4288 9398
4291 9398 4291 9401 4291 9402
TIME...MOT...LOC 0223Z 295DEG 16KT 4295 9398
WIND...HAIL <50MPH 1.00IN
$$3 follow-up statements
290
WWUS53 KDMX 040235
SVSDMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
935 PM CDT SUN JUN 3 2012
IAC109-040245-
/O.CAN.KDMX.SV.W.0099.000000T0000Z-120604T0245Z/
KOSSUTH IA-
935 PM CDT SUN JUN 3 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN KOSSUTH COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4295 9382 4294 9382 4284 9391 4290 9398
4297 9393
TIME...MOT...LOC 0235Z 295DEG 16KT 4293 9391
$$
IAC081-197-040245-
/O.CON.KDMX.SV.W.0099.000000T0000Z-120604T0245Z/
HANCOCK IA-WRIGHT IA-
935 PM CDT SUN JUN 3 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
WRIGHT AND SOUTHWESTERN HANCOCK COUNTIES UNTIL 945 PM CDT...
AT 934 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS
STORM WAS LOCATED 13 MILES SOUTHWEST OF BRITT...OR 19 MILES SOUTHEAST
OF ALGONA...MOVING SOUTHEAST AT 20 MPH.
IN ADDITION...AT 930 PM NICKEL SIZE HAIL WAS REPORTED OVER THE
SOUTHWEST CORNER OF HANCOCK COUNTY WITH THIS STORM.
THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF
NORTHWESTERN WRIGHT AND SOUTHWESTERN HANCOCK COUNTIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE FOR LARGE HAIL...DAMAGING WINDS AND DEADLY CLOUD TO GROUND
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY
INSIDE A REINFORCED BUILDING AND AWAY FROM WINDOWS.
&&
LAT...LON 4295 9382 4294 9382 4284 9391 4290 9398
4297 9393
TIME...MOT...LOC 0235Z 295DEG 16KT 4293 9391
WIND...HAIL <50MPH 1.00IN
$$647 WWUS53 KDMX 040239 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 939 PM CDT SUN JUN 3 2012 IAC081-197-040245- /O.CON.KDMX.SV.W.0099.000000T0000Z-120604T0245Z/ HANCOCK IA-WRIGHT IA- 939 PM CDT SUN JUN 3 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EXTREME NORTHWESTERN WRIGHT AND EXTREME SOUTHWESTERN HANCOCK COUNTIES UNTIL 945 PM CDT... AT 938 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 14 MILES NORTHWEST OF CLARION...OR 21 MILES SOUTHEAST OF ALGONA...MOVING SOUTHEAST AT 20 MPH. THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF EXTREME NORTHWESTERN WRIGHT AND EXTREME SOUTHWESTERN HANCOCK COUNTIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... PREPARE FOR LARGE HAIL...DAMAGING WINDS AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A REINFORCED BUILDING AND AWAY FROM WINDOWS. && LAT...LON 4294 9390 4292 9384 4285 9390 4289 9393 TIME...MOT...LOC 0239Z 312DEG 16KT 4288 9389 WIND...HAIL <50MPH 1.00IN $$
140 WWUS53 KDMX 040244 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 944 PM CDT SUN JUN 3 2012 IAC081-197-040253- /O.EXP.KDMX.SV.W.0099.000000T0000Z-120604T0245Z/ HANCOCK IA-WRIGHT IA- 944 PM CDT SUN JUN 3 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EXTREME NORTHWESTERN WRIGHT AND EXTREME SOUTHWESTERN HANCOCK COUNTIES WILL EXPIRE AT 945 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED SLIGHTLY AND MOVED OUT OF THE WARNED AREA. THE STORM WILL STILL PRODUCE PENNY TO NICKEL SIZE HAIL AS IT CONTINUES MOVING SOUTHEAST INTO WRIGHT COUNTY. LAT...LON 4294 9390 4292 9384 4285 9390 4289 9393 TIME...MOT...LOC 0243Z 295DEG 16KT 4291 9387 $$
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 10:51 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 24 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.