Alert archive / Iowa / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 160, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jun 11, 1998, 11:56 PM CDT for Taylor County, Iowa. It was in force for 19 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
- Jun 11, 1998, 11:56 PM CDT (04:56 UTC)
- Expired
- Jun 12, 1998, 12:15 AM CDT
- In force
- 19 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Taylor County, IA
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 4.9 hours before the alert went out and 155 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
- 477 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 1339 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What 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, Jun 11, 8:30 PM CDT, 3 hours 26 minutes before
IAZ033-034-044>047-057>060-070>073-081>084-092>095-120430- CENTRAL IOWA THUNDERSTORM OUTLOOK...CORRECTION NATIONAL WEATHER SERVICE DES MOINES IA 830 PM CDT THU JUN 11 1998 HAZARD--A LINE OF THUNDERSTORMS PRODUCING DAMAGING WINDS UP TO 70 MPH AND HAIL UP TO 1 INCH IN DIAMETER. AREA OF CONCERN AND TIMING DETAILS-- FROM SAC CIT TO DENISON AROUND 900 PM JEFFERSON...ATLANTIC...AUDUBON AND CORNING AREAS 915 TO 945 PM PRECAUTIONS--SPOTTER ACTIVATION MAY BE NEEDED SOON. GO INDOORS AS THE STORMS APPROACH. THE STORMS ARE MOVING EAST-SOUTHEAST AT 25 MPH. KULA
Special weather statement, Jun 11, 8:30 PM CDT, 3 hours 26 minutes before
IAZ033-034-044>047-057>060-070>073-081>084-092>095-120430- CENTRAL IOWA THUNDERSTORM OUTLOOK...CORRECTION NATIONAL WEATHER SERVICE DES MOINES IA 830 PM CDT THU JUN 11 1998 HAZARD--A LINE OF THUNDERSTORMS PRODUCING DAMAGING WINDS UP TO 70 MPH AND HAIL UP TO 1 INCH IN DIAMETER. AREA OF CONCERN AND TIMING DETAILS-- FROM SAC CIT TO DENISON AROUND 900 PM JEFFERSON...ATLANTIC...AUDUBON AND CORNING AREAS 915 TO 945 PM PRECAUTIONS--SPOTTER ACTIVATION MAY BE NEEDED SOON. GO INDOORS AS THE STORMS APPROACH. THE STORMS ARE MOVING EAST-SOUTHEAST AT 25 MPH. KULA
Special weather statement, Jun 11, 8:30 PM CDT, 3 hours 26 minutes before
IAZ033-034-044>047-057>060-070>073-081>084-092>095-120430- CENTRAL IOWA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IA 830 PM CDT THU JUN 11 1998 HAZARD--A LINE OF THUNDERSTORMS PRODUCING DAMAGING WINDS UP TO 70 MPH AND HAIL UP 1 INCH IN DIAMETER. AREA OF CONCERN AND TIMING DETAILS-- FROM SAC CIT TO DENISON AROUND 900 PM JEFFERSON...ATLANTIC AND CORNING AREAS 915 TO 945 PM PRECAUTIONS--SPOTTER ACTIVATION MAY BE NEEDED SOON. GO INDOORS AS THE STORMS APPROACH. THE STORMS ARE MOVING EAST-SOUTHEAST AT 25 MPH. KULA
Special weather statement, Jun 11, 8:30 PM CDT, 3 hours 26 minutes before
IAZ033-034-044>047-057>060-070>073-081>084-092>095-120430- CENTRAL IOWA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IA 830 PM CDT THU JUN 11 1998 HAZARD--A LINE OF THUNDERSTORMS PRODUCING DAMAGING WINDS UP TO 70 MPH AND HAIL UP 1 INCH IN DIAMETER. AREA OF CONCERN AND TIMING DETAILS-- FROM SAC CIT TO DENISON AROUND 900 PM JEFFERSON...ATLANTIC AND CORNING AREAS 915 TO 945 PM PRECAUTIONS--SPOTTER ACTIVATION MAY BE NEEDED SOON. GO INDOORS AS THE STORMS APPROACH. THE STORMS ARE MOVING EAST-SOUTHEAST AT 25 MPH. KULA
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 1:22 AM CDT | Severe Thunderstorm Warning | DMX | Adams | 33 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 1998Every severe thunderstorm warning 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.