Alert archive / North Dakota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 100, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Aug 18, 1998, 9:20 PM CDT for Emmons County, Kidder County, North Dakota. It was in force for 45 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
- Aug 18, 1998, 9:20 PM CDT (02:20 UTC)
- Expired
- Aug 18, 1998, 10:05 PM CDT
- In force
- 45 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
Counties Emmons County, ND, Kidder County, ND
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 18, 4:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 2.3 hours before the alert went out and 55 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
- 1947 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 690 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 3.7
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, Aug 18, 7:10 PM CDT, 2 hours 10 minutes before
NDZ003-004-011-190035- SPECIAL WEATHER STATEMENT...CORRECTED... NATIONAL WEATHER SERVICE BISMARCK ND 710 PM CDT TUE AUG 18 1998 ...SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHEASTERN RENVILLE AND EASTERN WARD COUNTIES WILL BE CANCELLED... ...SEVERE THUNDERSTORM WARNING IN EFFECT UNTIL 735 PM CDT FOR WESTERN BOTTINEAU COUNTY... SEVERE THUNDERSTORMS CONTINUE IN AN AREA 40 MILES NORTH OF MINOT...NEAR THE TOWNS OF ANTLER AND MAXBASS. THE STORMS ARE MOVING NORTHEAST AT 25 MPH. PERSONS IN THE TOWNS OF LANDA...ROTH AND NEWBURG SHOULD SEEK SHELTER AT ONCE. URBAN AND SMALL STREAM FLOODING IS ALSO POSSIBLE WITH THE PASSAGE OF THESE STORMS. RAINFALL AMOUNTS OF 1.50 INCHES IN LESS THAN 3 0 MINUTES ARE POSSIBLE. THE STORMS THAT PROMPTED THE WARNINGS FOR RENVILLE AND WARD COUNTIES HAVE WEAKENED AND ARE NO LONGER A THREAT. A TORNADO WATCH CONTINUES FOR CENTRAL NORTH DAKOTA UNTIL 10 PM CDT. HINTZ
Special weather statement, Aug 18, 7:10 PM CDT, 2 hours 10 minutes before
NDZ003-004-011-190035- SPECIAL WEATHER STATEMENT...CORRECTED... NATIONAL WEATHER SERVICE BISMARCK ND 710 PM CDT TUE AUG 18 1998 ...SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHEASTERN RENVILLE AND EASTERN WARD COUNTIES WILL BE CANCELLED... ...SEVERE THUNDERSTORM WARNING IN EFFECT UNTIL 735 PM CDT FOR WESTERN BOTTINEAU COUNTY... SEVERE THUNDERSTORMS CONTINUE IN AN AREA 40 MILES NORTH OF MINOT...NEAR THE TOWNS OF ANTLER AND MAXBASS. THE STORMS ARE MOVING NORTHEAST AT 25 MPH. PERSONS IN THE TOWNS OF LANDA...ROTH AND NEWBURG SHOULD SEEK SHELTER AT ONCE. URBAN AND SMALL STREAM FLOODING IS ALSO POSSIBLE WITH THE PASSAGE OF THESE STORMS. RAINFALL AMOUNTS OF 1.50 INCHES IN LESS THAN 3 0 MINUTES ARE POSSIBLE. THE STORMS THAT PROMPTED THE WARNINGS FOR RENVILLE AND WARD COUNTIES HAVE WEAKENED AND ARE NO LONGER A THREAT. A TORNADO WATCH CONTINUES FOR CENTRAL NORTH DAKOTA UNTIL 10 PM CDT. HINTZ
Local storm report, Aug 18, 9:15 PM CDT, 5 minutes before
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</html>Local storm report, Aug 18, 9:15 PM CDT, 5 minutes before
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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</html>Special weather statement, Aug 18, 9:20 PM CDT, 0 minutes before
NDZ003>005-011>014-019>025-190300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 920 PM CDT TUE AUG 18 1998 ...TORNADO WATCH CANCELLED FOR PARTS OF CENTRAL NORTH DAKOTA... TORNADO WATCH 728 HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES IN NORTH CENTRAL NORTH DAKOTA: RENVILLE...BOTTINEAU...ROLETTE...BENSON... EDDY...PIERCE...MCHENRY...WARD...MCLEAN...SHERIDAN...WELLS...FOSTER AND OLIVER. THE STORMS HAVE DIMINISHED AND/OR MOVED OUT OF THE COUNTIES AND SEVERE WEATHER IS NO LONGER A THREAT. A TORNADO WATCH CONTINUES IN EFFECT FOR SOUTH CENTRAL NORTH DAKOTA UNTIL 10 PM CDT. HINTZ
Special weather statement, Aug 18, 9:20 PM CDT, 0 minutes before
NDZ003>005-011>014-019>025-190300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 920 PM CDT TUE AUG 18 1998 ...TORNADO WATCH CANCELLED FOR PARTS OF CENTRAL NORTH DAKOTA... TORNADO WATCH 728 HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES IN NORTH CENTRAL NORTH DAKOTA: RENVILLE...BOTTINEAU...ROLETTE...BENSON... EDDY...PIERCE...MCHENRY...WARD...MCLEAN...SHERIDAN...WELLS...FOSTER AND OLIVER. THE STORMS HAVE DIMINISHED AND/OR MOVED OUT OF THE COUNTIES AND SEVERE WEATHER IS NO LONGER A THREAT. A TORNADO WATCH CONTINUES IN EFFECT FOR SOUTH CENTRAL NORTH DAKOTA UNTIL 10 PM CDT. HINTZ
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 7:22 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 33 min |
| Aug 18, 7:48 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 32 min |
| Aug 18, 7:59 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 46 min |
| Aug 18, 8:31 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons | 44 min |
| Aug 18, 10:40 PM CDT | Severe Thunderstorm Warning | BIS | Logan | 35 min |
| Aug 19, 12:45 AM CDT | Severe Thunderstorm Warning | BIS | Grant | 50 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 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.