Alert archive / Iowa / Tornado Warnings in 1988
Tornado Warning 9, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at May 8, 1988, 3:00 PM CDT for Washington County, Iowa. It was in force for 30 min.
The area
The counties it named.
The facts
- Issued
- May 8, 1988, 3:00 PM CDT (20:00 UTC)
- Expired
- May 8, 1988, 3:30 PM CDT
- In force
- 30 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Washington 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
Peoria Regional, IL (KPIA), launched 12:00Z, 8.0 hours before the alert went out and 193 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
- 1404 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 194 m²/s²
- 0-3 km storm-relative helicity
- 203 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDSM 082000
TORDSM
IAC183-082030-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
300 PM CDT SUN MAY 8 1988
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 330 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY
IN THE SOUTHEAST PART OF IOWA
EASTERN WASHINGTON
AT 255 PM...WEATHER RADAR INDICATED A SEVERE THUNDERSTORM OVER
40 MILES NORTHEAST OF OTTUMWA.
TORNADOES...LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH THIS
STORM.
THE STORM WAS MOVING NORTHEAST AT 45 MILES AN HOUR...AND WILL
AFFECT THE TOWNS OF AINSWORTH...HAVRE...HASKINS AND LONE TREE.
IF YOU ARE IN THE PATH OF THIS TORNADO...THE SAFEST PLACE IS IN A
BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF
NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM ON THE
LOWEST FLOOR. IF YOU ARE IN A VEHICLE OR MOBILE HOME...LEAVE IT AT
ONCE AND TAKE SHELTER *IN A REINFORCED BUILDING OR IN A DITCH.
MCQUIRTER/BRUCEWhat forecasters said that day
The local office's own words before this tornado 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, May 8, 2:17 PM CDT, 43 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 215 PM CDT SUN MAY 8 1988 A TORNADO WATCH CONTINUES FOR A LARGE PART OF CENTRAL AND EASTERN IOWA UNTIL 400 PM... A LINE OF SEVERE THUNDERSTORMS WILL MOVING INTO THE CEDAR RAPIDS AND IOWA CITY AREA BETWEEN 215 PM AND 300 PM THIS AFTERNOON. LARGE HAIL...DAMAGING WINDS AND HEAVY RAIN ARE LIKELY WITH SOME PEOPLE SHOULD BE ON THE LOOKOUT...AND LISTEN FOR POSSIBLE WARNING OR STATEMENTS. LARGE HAIL...DAMAGING WINDS AND HEAVY RAIN ARE LIKELY WITH THESE STORMS. THE STORMS WERE MOVING NORTHEAST AT 45 MILES AN HOUR...WHILE THE LINE WAS MOVING EAST AT 15 MILES AN HOUR. MCQIRTER
Special weather statement, May 8, 2:40 PM CDT, 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 239 PM CDT SUN MAY 8 1988 THE FOLLOWING COUNTIES IN NORTH CENTRAL IOWA ARE CLEARED FROM TORNADO WATCH NUMBER 110: WINNEBAGO...WORTH...MITCHELL...HANCOCK...CERRO GORDO...AND FLOYD. THE FOLLOWING COUNTIES OVER NORTH CENTRAL...CENTRAL...SOUTH CENTRAL...AND SOUTHWEST IOWA ARE CLEARED FROM TORNADO WATCH NUMBER 108: WRIGHT...FRANKLIN...HAMILTON...HARDIN...BOONE...STORY... MARSHALL...DALLAS...POLK...JASPER...MADISON...WARREN... MARION...ADAIR...ADAMS...TAYLOR...UNION...CLARKE...LUCAS... RINGGOLD...DECATUR...WAYNE. WHILE SHOWERS AND THUNDERSTORMS ARE STILL POSSIBLE OVER THE CLEARED COUNTIES...THE SEVERE WEATHER HAS MOVED EAST OF THESE. TORNADO WATCHES 108...110...AND 111 REMAIN IN EFFECT AT THE PRESENT TIME FOR ABOUT THE EASTERN THIRD OF THE STATE. BIKLE
Local storm report, May 8, 2:59 PM CDT, 1 minute before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
255 PM CDT SUN MAY 8 1988
THE FOLLOWING ARE THE STORM REPORTS RECEIVED FROM THE LATE MORNING TO
EARLY AFTERNOON OF THE 8TH.
... MAY 8TH ...
TIME EVENT
1100 AM CDT GOLF BALL SIZE HAIL 2SE CRESTON. /UNION/
1123 AM CDT FUNNEL CLOUD SW ST. CHARLES. MARBLE SIZED HAIL. /MADISON/
1136 AM CDT PEA SIZE HAIL IN ST. MARY. /WARREN/
1145 AM CDT MARBLE SIZE HAIL AT NORWALK. /WARREN/
1146 AM CDT DIME SIZE HAIL 6 MILES SOUTH OF NORWALK. /WARREN/
1156 AM CDT POSSIBLE FUNNEL EAST OF HARTFORD. /WARREN/
1200 PM CDT 3/4 INCH HAIL AT CARLISLE. /WARREN/
1200 PM CDT 3/4 INCH HAIL AT INDIANOLA. /WARREN/
1204 PM CDT MARBLE SIZED HAIL 2 MILES NORTH OF RUNNELS. ALSO 30
TO 40 MILE AN HOUR WINDS. /POLK/
1220 PM CDT PEANUT SIZED HAIL AT ROCKWELL. /CALHOUN/
1228 PM CDT 3/4 INCH HAIL 5 MILES NORTHWEST NEWTON. /JASPER/
1230 PM CDT ONE INCH HAIL 5 MILES NORTHWEST NEWTON. /JASPER/
1230 PM CDT PEA SIZED HAIL AND STRONG WINDS AT BAXTER AND
MELBOURNE. /MARSHALL
1230 PM CDT PEA SIZED HAIL AT INDIANOLA. /WARREN/
130 PM CDT PEA TO MARBLE SIZED HAIL AT PELLA. /MARION/
130 PM CDT PUBLIC REPORT OF TORNADO BLOWING DOWN BARN AT LAMONI.
/DECATUR/
150 PM CDT PEA TO MARBLE SIZED HAIL COVERING GROUND AT GARRISON
AND NEAR KEYSTONE. /BENTON/
150 PM CDT 3 HOUSES DAMAGED...1 SERIOUSLY...NE EDGE OF CENTERVILLE.
/APANOOSE/
158 PM CDT TORNADO 3 MILES NORTH OF GIBSON./ KEOKUL/
205 PM CDT TORNADO ON THE GROUND 3 MILES NORTHEAST BLOOMFIELD.
TORNADO AT LAKE KEOMA'H.
206 PM CDT TORNADO 1 MILE EAST OSKALOOSA. /MAHASKA/
207 PM CDT FUNNEL CLOUDS AT PELLA. /MARION/The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 7:45 PM CDT | Severe Thunderstorm Warning | DMX | Crawford, Sac | 30 min |
| May 7, 8:20 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Sac | 25 min |
| May 7, 8:35 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 40 min |
| May 7, 8:50 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas | 40 min |
| May 7, 9:05 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 35 min |
| May 7, 9:30 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 20 min |
| May 7, 9:31 PM CDT | Severe Thunderstorm Warning | DMX | Crawford, Sac | 44 min |
| May 8, 12:02 AM CDT | Severe Thunderstorm Warning | DMX | Crawford | 43 min |
| May 8, 4:38 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 37 min |
| May 8, 9:42 AM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor | 33 min |
| May 8, 10:26 AM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Taylor | 34 min |
| May 8, 11:08 AM CDT | Severe Thunderstorm Warning | DMX | Madison | 52 min |
| May 8, 11:20 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Warren | 70 min |
| May 8, 11:41 AM CDT | Severe Thunderstorm Warning | DMX | Polk | 49 min |
| May 8, 11:44 AM CDT | Severe Thunderstorm Warning | DMX | Franklin | 61 min |
| May 8, 12:01 PM CDT | Tornado Warning | DMX | Jasper | 29 min |
| May 8, 12:15 PM CDT | Tornado Warning | DMX | Jasper | 45 min |
| May 8, 12:25 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 65 min |
| May 8, 12:34 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 41 min |
| May 8, 12:43 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 32 min |
| May 8, 12:55 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 50 min |
| May 8, 12:58 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Marion, Warren | 47 min |
| May 8, 1:24 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 36 min |
| May 8, 1:25 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 35 min |
| May 8, 1:33 PM CDT | Tornado Warning | DMX | Poweshiek | 27 min |
| May 8, 1:40 PM CDT | Severe Thunderstorm Warning | DMX | Bremer | 50 min |
| May 8, 2:01 PM CDT | Tornado Warning | DMX | Iowa, Poweshiek | 29 min |
| May 8, 2:11 PM CDT | Tornado Warning | DMX | Keokuk, Mahaska | 49 min |
| May 8, 2:23 PM CDT | Severe Thunderstorm Warning | DMX | Buchanan, Fayette | 42 min |
| May 8, 2:35 PM CDT | Tornado Warning | DMX | Iowa | 30 min |
| May 8, 2:35 PM CDT | Tornado Warning | DMX | Johnson | 40 min |
Nearby
Tornado Warnings in Iowa, 1988Every tornado warning in 1988Tornadoes 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.