Alert archive / North Dakota / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 48, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Aug 8, 1993, 8:22 PM CDT for Towner County, North Dakota. It was in force for 53 min.
The area
The counties it named.
The facts
- Issued
- Aug 8, 1993, 8:22 PM CDT (01:22 UTC)
- Expired
- Aug 8, 1993, 9:15 PM CDT
- In force
- 53 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County Towner County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 1.4 hours before the alert went out and 239 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
- 1480 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 1514 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
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 8, 6:08 PM CDT, 2 hours 14 minutes before
NDZ005-018-090000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 605 PM CDT SUN AUG 8 1993 ...THE TORNADO WATCH IS NO LONGER IN EFFECT FOR BOTTINEAU...MCHENRY AND SHERIDAN COUNTIES OF NORTH DAKOTA... ...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL AND EASTERN NORTH DAKOTA UNTIL 11 PM CDT... AT 6 PM CDT...RADAR INDICATED SCATTERED THUNDERSTORMS FROM 30 MILES NORTHEAST OF DEVILS LAKE NORTH DAKOTA SOUTH TO 30 MILES SOUTH OF JAMESTOWN. THE STRONGEST THUNDERSTORM WAS LOCATED IN SOUTHEAST RAMSEY COUNTY 15 MILES EAST OF DEVILS LAKE. ALL OF THE THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR.
Special weather statement, Aug 8, 6:51 PM CDT, 1 hour 31 minutes before
NDZ001>018-090100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 650 PM CDT SUN AUG 8 1993 ...THE TORNADO WATCH IS NO LONGER IN EFFECT FOR ROLETTE...TOWNER... PIERCE...WELLS AND KIDDER COUNTIES OF NORTH DAKOTA... ...THE TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF THE EASTERN HALF OF NORTH DAKOTA UNTIL 11 PM CDT... AT 640 PM CDT...SCATTERED THUNDERSTORMS WERE OCCURRING FROM 40 MILES NORTHEAST OF DEVILS LAKE NORTH DAKOTA SOUTHWARD TO 30 MILES SOUTHEAST OF JAMESTOWN. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. OTHER THUNDERSTORMS WERE LOCATED IN SOUTHEAST MONTANA...75 MILES SOUTHWEST OF DICKINSON NORTH DAKOTA MOVING EAST AT 35 MILES AN HOUR. THESE TXHUNDERSTORMS PRODUCED WIND GUSTS TO 58 MPH AS THEY MOVED THROUGH MILES CITY MONTANA THIS AFTERNOON. RR
Special weather statement, Aug 8, 7:43 PM CDT, 39 minutes before
NDZALL-090200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 745 PM CDT SUN AUG 8 1993 ...THE TORNADO WATCH IS NO LONGER IN EFFECT FOR BENSON AND EDDY COUNTIES OF NORTH DAKOTA... ...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF EASTERN NORTH DAKOTA UNTIL 11 PM CDT... AT 740 PM CDT...SCATTERED THUNDERSTORMS WERE FOUND OVER EAST CENTRAL NORTH DAKOTA WITH THE STRONGEST ACTIVITY 25 MILES SOUTHWEST OF JAMESTOWN. THESE THUNDERSTORMS CONTINUE TO MOVE NORTHEAST AT 30 MILES AN HOUR. ANOTHER AREA OF THUNDERSTORMS WAS LOCATED IN SOUTHWEST NORTH DAKOTA MOVING EAST AT 40 MILES AN HOUR. AT 730 PM CDT...THE WIND GUSTED TO 52 MPH AT BOWMAN NORTH DAKOTA. RR
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 9:04 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 26 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 1993Every severe thunderstorm warning in 1993
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.