Alert archive / Iowa / Tornado Warnings in 1998
Tornado Warning 29, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at May 29, 1998, 12:24 AM CDT for Guthrie County, Iowa. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 29, 1998, 12:24 AM CDT (05:24 UTC)
- Expired
- May 29, 1998, 12:50 AM CDT
- In force
- 26 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Guthrie County, IA
The radar
The Des Moines radar (KDMX), 65 km from the middle of the area, began a volume at 05:26 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 28, 8:45 PM CDT | Tornado Watch | SPC | 6 hr |
| May 28, 11:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 5.4 hours before the alert went out and 161 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
- 2835 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1954 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 7.5
The text
As transmitted, in the capitals the NWS used until 2016.
835 WFUS1 KDSM 290500 RRA TORDSM IAC049-077-290550- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 1159 PM CDT THU MAY 28 1998 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * TORNADO WARNING FOR... WESTERN DALLAS COUNTY IN CENTRAL IOWA EASTERN GUTHRIE COUNTY IN WEST CENTRAL IOWA * UNTIL 1250 AM CDT * AT 1158 PM CDT... DOPPLER RADAR INDICATED A TORNADO 40 MILES WEST NORTHWEST OF DES MOINES OR 5 MILES NORTH OF PANORA MOVING EAST SOUTHEAST AT 30 MPH. * THIS TORNADO CAN BE EXPECTED NEAR... PANORA BY 1201 AM CDT LINDEN BY 1213 AM CDT REDFIELD BY 1224 AM CDT GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR THIS STORM HAS A HISTORY OF PRODUCING UP TO GOLFBALL SIZED HAIL AND DAMAGE TAKE COVER NOW SEARCY
What 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
Local storm report, May 28, 8:39 PM CDT, 3 hours 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
839 PM CDT THU MAY 28 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0340 PM POCAHONTAS IA TORNADO
05/28/98 POCAHONTAS TORNADO 6 MILES NORTHWEST
OF POCAHANTAS
0523 PM RADCLIFFE IA WIND DAMAGE
05/28/98 HARDIN SHINGLES BLOWN OFF ROOF
0542 PM GRUNDY CENTER IA 70 MPH TSTM GUST
05/28/98 GRUNDY JUST NORTH OF GRUNDY
CENTER
0553 PM BADGER IA 1.75 INCH HAIL
05/28/98 WEBSTERLocal storm report, May 28, 9:34 PM CDT, 2 hours 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
934 PM CDT THU MAY 28 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0459 PM IOWA FALLS IA 3 INCH HAIL
05/28/98 HARDIN 80 MPH WINDSLocal storm report, May 28, 9:56 PM CDT, 2 hours 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
956 PM CDT THU MAY 28 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0856 PM LAKE CITY IA TORNADO
05/28/98 CALHOUN LIMBS DOWN AND 1 INCH
HAIL...TORNADO REPORTED 4
E LAKE CITYLocal storm report, May 28, 10:13 PM CDT, 2 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTION FOR FORMAT
NATIONAL WEATHER SERVICE DES MOINES IA
1013 PM CDT THU MAY 28 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0920 PM 1 N CHARTER OAK IA TORNADO
05/28/98 CRAWFORD REPORTED BY LOCAL FIRE
DEPARTMENT
0926 PM 1 N LANYON IA 1 INCH HAIL
05/28/98 WEBSTER
0940 PM 2 N SCHLESWIG IA .75 INCH HAIL
05/28/98 CRAWFORD
0951 PM 5 NW DENISON IA 1.75 INCH HAIL
05/28/98 CRAWFORD
1012 PM 3 SE DELOIT IA 1.75 INCH HAIL
05/28/98 CRAWFORD
SMALLLocal storm report, May 28, 10:13 PM CDT, 2 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1013 PM CDT THU MAY 28 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0920 PM 1 N CHARTER OAK IA TORNADO
05/28/98 CRAWFORD REPORTED BY LOCAL FIRE
DEPARTMENT
0926 PM 1 N LANYON IA 1 INCH HAIL
05/28/98 WEBSTER
0940 PM 2 N SCHLESWIG IA .75 INCH HAIL
05/28/98 CRAWFORD
0951 PM 5 NW DENISON IA 1.75 INCH HAIL
05/28/98 CRAWFORD
1012 PM 3 SE DELOIT IA 1.75 INCH HAIL
05/28/98 CRAWFORD
SMALLLocal storm report, May 28, 10:13 PM CDT, 2 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTION FOR FORMAT
NATIONAL WEATHER SERVICE DES MOINES IA
1013 PM CDT THU MAY 28 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0920 PM 1 N CHARTER OAK IA TORNADO
05/28/98 CRAWFORD REPORTED BY LOCAL FIRE
DEPARTMENT
0926 PM 1 N LANYON IA 1 INCH HAIL
05/28/98 WEBSTER
0940 PM 2 N SCHLESWIG IA .75 INCH HAIL
05/28/98 CRAWFORD
0951 PM 5 NW DENISON IA 1.75 INCH HAIL
05/28/98 CRAWFORD
1012 PM 3 SE DELOIT IA 1.75 INCH HAIL
05/28/98 CRAWFORD
SMALLThe office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 8:20 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 20 min |
| May 28, 8:24 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun | 36 min |
| May 28, 8:57 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Webster | 33 min |
| May 28, 9:22 PM CDT | Tornado Warning | DMX | Crawford | 33 min |
| May 28, 9:29 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 36 min |
| May 28, 9:41 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 34 min |
| May 28, 9:52 PM CDT | Tornado Warning | DMX | Crawford | 33 min |
| May 28, 10:15 PM CDT | Severe Thunderstorm Warning | DMX | Story | 50 min |
| May 28, 10:21 PM CDT | Tornado Warning | DMX | Carroll, Crawford | 39 min |
| May 28, 10:21 PM CDT | Tornado Warning | DMX | Carroll, Crawford | 34 min |
| May 28, 10:40 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 50 min |
| May 28, 10:46 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 34 min |
| May 28, 10:50 PM CDT | Severe Thunderstorm Warning | DMX | Carroll | 35 min |
| May 28, 11:04 PM CDT | Tornado Warning | DMX | Carroll | 36 min |
| May 28, 11:10 PM CDT | Tornado Warning | DMX | Audubon | 35 min |
| May 28, 11:25 PM CDT | Tornado Warning | DMX | Greene, Guthrie | 35 min |
| May 28, 11:44 PM CDT | Tornado Warning | DMX | Audubon, Guthrie | 36 min |
| May 28, 11:59 PM CDT | Tornado Warning | DMX | Dallas, Guthrie | 51 min |
| May 29, 12:09 AM CDT | Severe Thunderstorm Warning | DMX | Audubon | 36 min |
| May 29, 12:33 AM CDT | Severe Thunderstorm Warning | DMX | Cass | 32 min |
| May 29, 12:50 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Dallas, Guthrie | 50 min |
| May 29, 1:24 AM CDT | Severe Thunderstorm Warning | DMX | Cass | 31 min |
| May 29, 2:01 AM CDT | Severe Thunderstorm Warning | DMX | Adams | 34 min |
| May 29, 2:01 AM CDT | Severe Thunderstorm Warning | DMX | Adams | 39 min |
| May 29, 2:21 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Union | 49 min |
Nearby
Tornado Warnings in Iowa, 1998Every tornado warning in 1998Tornadoes in 1998
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.