Alert archive / Iowa / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 76, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at May 8, 2002, 7:12 PM CDT for Ringgold County, Iowa. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 8, 2002, 7:12 PM CDT (00:12 UTC)
- Expired
- May 8, 2002, 8:00 PM CDT
- In force
- 48 min
- Issued by
- NWS Des Moines, IA
- Area
- Counties, with a storm outline in the text
County Ringgold County, IA
The radar
The Des Moines radar (KDMX), 124 km from the middle of the area, began a volume at 00:15 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 8, 5:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 0.2 hours before the alert went out and 188 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
- 739 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- -45 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KDMX 090012 SVRDSM IAC159-090100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE DES MOINES IA 712 PM CDT WED MAY 8 2002 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... RINGGOLD COUNTY IN SOUTH CENTRAL IOWA * UNTIL 800 PM CDT * AT 710 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES SOUTH OF MOUNT AYR...OR ABOUT 73 MILES SOUTHWEST OF DES MOINES...MOVING NORTHEAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE... 5 MILES SOUTHEAST OF MOUNT AYR AROUND 715 PM... NEAR KELLERTON AROUND 730 PM... 7 MILES SOUTHEAST OF ELLSTON AROUND 740 PM AND NEAR BEACONSFIELD AROUND 745 PM. HAIL UP TO THE SIZE OF NICKELS IS LIKELY IN THE WARNED AREA. SEEK A STURDY SHELTER SUCH AS A BASEMENT OR INTERIOR ROOM. PLEASE REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE OFFICE NEAR DES MOINES. REMEMBER...SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM WEDNESDAY EVENING FOR SOUTHERN IOWA. LAT...LON 4073 9447 4058 9446 4059 9402 4086 9404 JAW
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 7:34 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 41 min |
| May 8, 7:36 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Warren | 39 min |
| May 8, 7:55 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 65 min |
| May 8, 7:58 PM CDT | Severe Thunderstorm Warning | DMX | Wayne | 47 min |
| May 8, 8:01 PM CDT | Tornado Warning | DMX | Marion, Warren | 44 min |
| May 8, 8:16 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Monroe | 44 min |
| May 8, 8:26 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Mahaska, Poweshiek | 49 min |
| May 8, 8:36 PM CDT | Tornado Warning | DMX | Mahaska, Marion | 39 min |
| May 8, 8:54 PM CDT | Tornado Warning | DMX | Poweshiek | 36 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2002Every severe thunderstorm warning in 2002
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.