Alert archive / Iowa / Severe Thunderstorm Warnings in 1988
Severe Thunderstorm Warning 49, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Aug 8, 1988, 5:58 PM CDT for Lucas County, Iowa. It was in force for 32 min.
The area
The counties it named.
The facts
- Issued
- Aug 8, 1988, 5:58 PM CDT (22:58 UTC)
- Expired
- Aug 8, 1988, 6:30 PM CDT
- In force
- 32 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Lucas County, IA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 11.0 hours before the alert went out and 257 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
- 3648 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDSM 082258
SVRDSM
IAC117-082330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
558 PM CDT MON AUG 8 1988
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE SOUTH CENTRAL PART OF IOWA
NORTHERN LUCAS
RADAR INDICATED A SEVERE THUNDERSTORM IN EXTREME EAST CENTRAL
LUCAS COUNTY...THIS IS ABOUT 40 MILES SOUTH OF DES MOINES.
TOWNS AFFECTED INCLUDE...LUCAS...CHARITON...AND WILLIAMSON.
THIS STORM WAS MOVING EAST NORTHEAST AROUND 35 MILES AN HOUR.
REMEMBER...SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MILES
AN HOUR...LARGE HAIL...DaANGEROUS LIGHTNING...AND VERY HEAVY RAINS.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOU HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT
DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
ADAMS/FERRYWhat 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.
In the hours before
Special weather statement, Aug 8, 5:50 PM CDT, 8 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 547 PM CDT MON AUG 8 1988 ...SEVERE THUNDERSTORM WATCH FOR MUCH OF THE SOUTHEAST THIRD OF IOWA UNTIL 9 PM... AT 530 PM CDT...AN INTENSE THUNDERSTORM WAS INDICATED OVER SOUTHEAST IOWA 30 MILES SOUTH OF CEDAR RAPIDS. THIS STORM WAS MOVING NORTHEAST AT 35 MILES AN HOUR. BY 630 PM THIS STORM SHOULD BE LOCATED 30 MILES EAST OF CEDAR RAPIDS NEAR TIPTON. THIS STORM WILL PRODUCE HAIL...STRONG WINDS AND HEAVY DOWNPOURS. ANOTHER INTENSE THUNDERSTORM WAS LOCATED OVER SOUTH CENTRAL IOWA... MIDWAY BETWEEN CRESTON AND LAMONI. THIS STORM WAS MOVING EAST NORTHEAST AT 35 MILES AN HOUR AND SHOULD BE JUST EAST OF OSCEOLA BY 630 PM. LARGE HAIL AND STRONG WINDS ARE POSSIBLE FROM THIS THUNDERSTORM. SCATTERED SHOWERS AND THUNDERSTORMS WERE LOCATED SOUTHEAST OF A LINE FROM CRESTON TO DUBUQUE. A NARROW BAND OF SHOWERS AND THUNDERSHOWERS WAS INDICATEDB FROM 30 MILES SOUTHWEST THROUGH 40 MILES NORTHEAST OF DES MOINES. ALL OF THIS PRECIPITATION WAS MOVING NORTHEAST AT 35 MILES AN HOUR.
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 3:50 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 40 min |
| Aug 8, 4:00 PM CDT | Severe Thunderstorm Warning | DMX | Benton | 45 min |
| Aug 8, 4:00 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 15 min |
| Aug 8, 4:02 PM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 28 min |
| Aug 8, 4:39 PM CDT | Severe Thunderstorm Warning | DMX | Linn | 51 min |
| Aug 8, 5:30 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Union | 45 min |
| Aug 8, 6:17 PM CDT | Tornado Warning | DMX | Lucas, Marion, Warren | 28 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 1988Every severe thunderstorm warning in 1988
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.