Alert archive / Iowa / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 252, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Aug 31, 2005, 6:15 PM CDT for Marion County, Iowa. It was in force for 45 min. 1 report 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
- Aug 31, 2005, 6:15 PM CDT (23:15 UTC)
- Expired
- Aug 31, 2005, 7:00 PM CDT
- In force
- 45 min
- Issued by
- NWS Des Moines, IA
- Area
- Counties, with a storm outline in the text
County Marion County, IA
The radar
The Des Moines radar (KDMX), 79 km from the middle of the area, began a volume at 23:16 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 |
|---|---|---|---|
| Aug 31, 6:40 PM CDT | HAIL 0.75 | 4 Nw Marysville, IA |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 11.3 hours before the alert went out and 210 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
- 933 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 46 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KDMX 312315 SVRDMX IAC125-010000- /O.NEW.KDMX.SV.W.0252.050831T2315Z-050901T0000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE DES MOINES IA 615 PM CDT WED AUG 31 2005 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN MARION COUNTY IN SOUTH CENTRAL IOWA. * UNTIL 700 PM CDT. * AT 612 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED NEAR KNOXVILLE...OR 35 MILES SOUTHEAST OF DES MOINES...AND MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE... NEAR MARYSVILLE BY 630 PM CDT. 6 MILES SOUTH OF HARVEY BY 635 PM CDT. NEAR BUSSEY BY 640 PM CDT. THE LOCATION OF KNOXVILLE MUNICIPAL AIRPORT IS ALSO IN THE PATH OF THIS SEVERE THUNDERSTORM. LARGE HAIL CAN CAUSE INJURY AND PROPERTY DAMAGE. SEEK SAFETY INDOORS UNTIL THE STORM PASSES. LAT...LON 4143 9291 4117 9332 4118 9288 4125 9288 $$ KINNEY
4 follow-up statements
000 WWUS53 KDMX 312320 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 619 PM CDT WED AUG 31 2005 IAC125-010000- /O.CON.KDMX.SV.W.0252.000000T0000Z-050901T0000Z/ MARION IA- 619 PM CDT WED AUG 31 2005 ...A SEVERE THUNDERSTORM WARNING CONTINUES FOR SOUTHERN MARION COUNTY UNTIL 700 PM CDT... AT 616 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR KNOXVILLE...OR 35 MILES SOUTHEAST OF DES MOINES...AND MOVING EAST AT 30 MPH. THE SEVERE THUNDERSTORM WILL BE... NEAR BUSSEY BY 645 PM CDT. THE LOCATION OF KNOXVILLE MUNICIPAL AIRPORT IS ALSO IN THE PATH OF THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY AWAY FROM WINDOWS. LAT...LON 4143 9291 4117 9332 4118 9288 4125 9288 $$ KINNEY
000 WWUS53 KDMX 312331 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 630 PM CDT WED AUG 31 2005 IAC125-010000- /O.CON.KDMX.SV.W.0252.000000T0000Z-050901T0000Z/ MARION IA- 630 PM CDT WED AUG 31 2005 ...A SEVERE THUNDERSTORM WARNING CONTINUES FOR SOUTHERN MARION COUNTY UNTIL 700 PM CDT... AT 629 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 9 MILES SOUTHEAST OF KNOXVILLE...OR 35 MILES WEST OF OTTUMWA...AND MOVING SOUTHEAST AT 30 MPH. THE SEVERE THUNDERSTORM WILL BE... NEAR MARYSVILLE BY 640 PM CDT... NEAR BUSSEY AND HAMILTON BY 645 PM CDT. IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY AWAY FROM WINDOWS. LAT...LON 4143 9291 4117 9332 4118 9288 4125 9288 $$ KINNEY
000 WWUS53 KDMX 312344 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 643 PM CDT WED AUG 31 2005 IAC125-010000- /O.CON.KDMX.SV.W.0252.000000T0000Z-050901T0000Z/ MARION IA- 643 PM CDT WED AUG 31 2005 ...A SEVERE THUNDERSTORM WARNING CONTINUES FOR SOUTHERN MARION COUNTY UNTIL 700 PM CDT... AT 641 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS STORM WAS LOCATED 11 MILES SOUTHEAST OF KNOXVILLE...OR 31 MILES WEST OF OTTUMWA...AND MOVING SOUTHEAST AT 25 MPH. THE SEVERE THUNDERSTORM WILL BE... NEAR MARYSVILLE NOW... NEAR HAMILTON AND BUSSEY BY 650 PM CDT. IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY AWAY FROM WINDOWS. AT 640 PM CDT...A TRAINED SPOTTER REPORTED PENNY SIZE HAIL 4 MILES NORTHWEST OF MARYSVILLE. LAT...LON 4143 9291 4117 9332 4118 9288 4125 9288 $$ KINNEY
000 WWUS53 KDMX 312357 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 656 PM CDT WED AUG 31 2005 IAC125-010006- /O.EXP.KDMX.SV.W.0252.000000T0000Z-050901T0000Z/ MARION IA- 656 PM CDT WED AUG 31 2005 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MARION COUNTY HAS BEEN ALLOWED CANCELLED... AT 654 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE. AT 640 PM CDT...A TRAINED SPOTTER REPORTED PENNY SIZE HAIL 4 MILES NORTHWEST OF MARYSVILLE. LAT...LON 4143 9291 4117 9332 4118 9288 4125 9288 $$ KINNEY
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 5:36 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 39 min |
| Aug 31, 6:35 PM CDT | Severe Thunderstorm Warning | DMX | Monroe | 68 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2005Every severe thunderstorm warning in 2005
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.