Alert archive / Iowa / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 73, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jun 13, 2000, 1:44 PM CDT for Marshall County, Iowa. It was in force for 31 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Jun 13, 2000, 1:44 PM CDT (18:44 UTC)
- Expired
- Jun 13, 2000, 2:15 PM CDT
- In force
- 31 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Marshall County, IA
The radar
The Des Moines radar (KDMX), 67 km from the middle of the area, began a volume at 18:44 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 13, 2:05 PM CDT | Thunderstorm Wind 56 E | Marshalltown, IA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 13, 11:45 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 6.7 hours before the alert went out and 217 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
- 671 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 449 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 356 m²/s²
- 0-3 km storm-relative helicity
- 366 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.1
The text
As transmitted, in the capitals the NWS used until 2016.
295 WUUS53 KDMX 131844 SVRDSM IAC127-131915- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE DES MOINES IA 144 PM CDT TUE JUN 13 2000 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MARSHALL COUNTY IN CENTRAL IOWA * UNTIL 215 PM * AT 139 PM...WEATHER SPOTTERS REPORTED A LINE OF SEVERE THUNDERSTORMS FROM 5 MILES NORTH OF ST. ANTHONY TO FERGUSON...OR FROM 47 MILES NORTHEAST OF DES MOINES TO 45 MILES NORTHEAST OF DES MOINES...MOVING NORTHEAST AT 45 MPH. * SEVERE THUNDERSTORMS WILL BE... NEAR ALBION AND MARSHALLTOWN AROUND 150 PM AT 144 PM...A WEATHER SPOTTER REPORTED QURATER SIZED HAIL NEAR STATE CENTER. DAMAGING HAIL UP TO THE SIZE OF GOLFBALLS IS LIKELY IN THE WARNED AREA. HURRICANE FORCE WINDS OF 70 TO 80 MILES AN HOUR ARE LIKELY IN THE WARNED AREA. INTENSE RAINFALL CAN ACCOMPANY SEVERE THUNDERSTORMS...WHICH CAN QUICKLY FLOOD LOW LYING AREAS AND ROADWAYS. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. LAT...LON 4220 9323 4187 9323 4188 9277 4220 9278 & SEARCY NNNN
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 11:50 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas | 25 min |
| Jun 13, 12:27 PM CDT | Severe Thunderstorm Warning | DMX | Lucas | 33 min |
| Jun 13, 12:57 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 33 min |
| Jun 13, 1:13 PM CDT | Severe Thunderstorm Warning | DMX | Story | 47 min |
| Jun 13, 1:34 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Wright | 41 min |
| Jun 13, 2:09 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Tama | 36 min |
| Jun 13, 2:13 PM CDT | Severe Thunderstorm Warning | DMX | Davis, Wapello | 32 min |
| Jun 13, 2:31 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 44 min |
| Jun 13, 4:28 PM CDT | Severe Thunderstorm Warning | DMX | Palo Alto | 32 min |
| Jun 13, 4:34 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 26 min |
| Jun 13, 4:56 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 34 min |
| Jun 13, 5:01 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Cass | 44 min |
| Jun 13, 5:21 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 39 min |
| Jun 13, 5:40 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams | 35 min |
| Jun 13, 6:19 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Story | 41 min |
| Jun 13, 6:37 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 38 min |
| Jun 13, 6:57 PM CDT | Tornado Warning | DMX | Marshall | 33 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2000Every severe thunderstorm warning in 2000
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.