Alert archive / North Dakota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 74, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 27, 1994, 4:10 AM CDT for Cavalier County, North Dakota. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Aug 27, 1994, 4:10 AM CDT (09:10 UTC)
- Expired
- Aug 27, 1994, 5:15 AM CDT
- In force
- 65 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Cavalier County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 9.2 hours before the alert went out and 278 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
- 466 J/kg
- Mixed-layer CIN
- -296 J/kg
- Mixed-layer LCL
- 1284 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 584 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, Aug 27, 1:40 AM CDT, 2 hours 30 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004- 007>009-013>017-022>024-027>032-039>041-047-270730- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 140 AM CDT SAT AUG 27 1994 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR EASTERN NORTH DAKOTA UNTIL 4 AM CDT... AT 125 AM CDT...SCATTERED THUNDERSTORMS...SOME WITH MODERATE RAIN... CONTINUED OVER PARTS OF NORTHEASTERN NORTH DAKOTA. THE AREA OF SHOWERS AND THUNDERSTORMS WAS 20 MILES WIDE AND EXTENDED FROM 5 MILES NORTHWEST OF COOPERSTOWN TO 5 MILES NORTH OF LARIMORE IN NORTHEASTERN NORTH DAKOTA. MOVEMENT WAS TO THE SOUTHEAST AT 40 TO 45 MILES PER HOUR. THESE STORMS WILL MOVE THROUGH GRAND FORKS...GRIGGS AND STEELE COUNTIES BY 230 AM CDT. THESE STORMS DID NOT PRODUCED ANY SEVERE WEATHER AS THEY MOVED THROUGH NELSON COUNTY...BUT HEAVY RAIN...DANGEROUS LIGHTNING...STRONG WIND...AND SMALL HAIL REMAIN POSSIBLE. PERSONS IN THE PATH OF THESE STORMS SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. STAY TUNED TO TELEVISION...RADIO...OR NOAA WEATHER RADIO FOR THE LATEST INFORMATION ON THESE STORMS. JEURISSEN
Special weather statement, Aug 27, 1:41 AM CDT, 2 hours 29 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004- 007>009-013>017-022>024-027>032-039>041-047-270730- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 140 AM CDT SAT AUG 27 1994 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR EASTERN NORTH DAKOTA UNTIL 4 AM CDT... AT 125 AM CDT...SCATTERED THUNDERSTORMS...SOME WITH MODERATE RAIN... CONTINUED OVER PARTS OF NORTHEASTERN NORTH DAKOTA. THE AREA OF SHOWERS AND THUNDERSTORMS WAS 20 MILES WIDE AND EXTENDED FROM 5 MILES NORTHWEST OF COOPERSTOWN TO 5 MILES NORTH OF LARIMORE IN NORTHEASTERN NORTH DAKOTA. MOVEMENT WAS TO THE SOUTHEAST AT 40 TO 45 MILES PER HOUR. THESE STORMS WILL MOVE THROUGH GRAND FORKS...GRIGGS AND STEELE COUNTIES BY 230 AM CDT. THESE STORMS DID NOT PRODUCED ANY SEVERE WEATHER AS THEY MOVED THROUGH NELSON COUNTY...BUT HEAVY RAIN...DANGEROUS LIGHTNING...STRONG WIND...AND SMALL HAIL REMAIN POSSIBLE. PERSONS IN THE PATH OF THESE ST&ORMS SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. STAY TUNED TO TELEVISION...RADIO...OR NOAA WEATHER RADIO FOR THE LATEST INFORMATION ON THESE STORMS. JEURISSEN
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 6:16 AM CDT | Severe Thunderstorm Warning | FGF | Marshall | 59 min |
| Aug 27, 6:35 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 55 min |
| Aug 27, 8:29 AM CDT | Severe Thunderstorm Warning | FGF | Koochiching | 55 min |
| Aug 27, 8:58 AM CDT | Tornado Warning | FGF | Lake of the Woods, Roseau | 47 min |
| Aug 27, 9:55 AM CDT | Severe Thunderstorm Warning | FGF | Koochiching | 65 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 1994Every severe thunderstorm warning in 1994
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.