Alert archive / North Dakota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 34, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 18, 1994, 11:31 PM CDT for Steele County, North Dakota. It was in force for 44 min.
The area
The counties it named.
The facts
- Issued
- Jul 18, 1994, 11:31 PM CDT (04:31 UTC)
- Expired
- Jul 19, 1994, 12:15 AM CDT
- In force
- 44 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Steele County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 4.5 hours before the alert went out and 238 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
- 692 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 3657 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
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, Jul 18, 6:33 PM CDT, 4 hours 58 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004- 007>009-013>017-022>024-027>032-039>041-047-190035- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 633 PM CDT MON JUL 18 1994 ...STRONG THUNDERSTORMS DEVELOPED OVER WEST CENTRAL MINNESOTA... AT 625 PM CDT A BAND OF STRONG THUNDERSTORMS HAD DEVELOPED OVER WEST CENTRAL MINNESOTA FROM 15 MILES EAST OF DETROIT LAKES TO JUST NORTH OF ALEXANDRIA. THESE STORMS WERE MOVING SOUTHEAST AT 30 MILES AN HOUR. HAIL...DEADLY LIGHTNING...BRIEF VERY HEAVY RAINS AND STRONG WIND GUSTS WILL ACCOMPANY THESE STORMS AS THEY MOVE ACROSS THE LAKES REGION. OUTDOOR ENTHUSIASTS...ESPECIALLY BOATERS AND CAMPERS ON AREA LAKES SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND SEEK SHELTER OR SAFE HARBOR AS NEEDED. OTHERWISE SCATTERED THUNDERSTORMS WERE MOVING INTO CENTRAL NORTH DAKOTA WEST OF THE JAMESTOWN AREA. STAY TUNED TO LOCAL RADIO AND TV STATIONS AS WELL AS NOAA WEATHER RADIO FOR FURTHER INFORMATION ON THESE STORMS. EWENS
Special weather statement, Jul 18, 7:33 PM CDT, 3 hours 58 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004- 007>009-013>017-022>024-027>032-039>041-047-190135- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 733 PM CDT MON JUL 18 1994 ...STRONG THUNDERSTORMS CONTINUE OVER WEST CENTRAL MINNESOTA... AT 725 PM CDT...A 15 MILE WIDE BAND OF STRONG THUNDERSTORMS CONTINUED OVER WEST CENTRAL MINNESOTA FROM 30 MILES SOUTHEAST OF DETROIT LAKES TO 15 MILES EAST OF ALEXANDRIA. THESE STORMS WERE MOVING SOUTHEAST AT 30 MILES AN HOUR. HAIL...DEADLY LIGHTNING...BRIEF VERY HEAVY RAINS AND STRONG WIND GUSTS WILL ACCOMPANY THESE STORMS AS THEY MOVE ACROSS THE LAKES REGION. OUTDOOR ENTHUSIASTS...ESPECIALLY BOATERS AND CAMPERS ON AREA LAKES SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND SEEK SHELTER OR SAFE HARBOR AS NEEDED. OTHERWISE SCATTERED THUNDERSTORMS WERE MOVING INTO CENTRAL NORTH DAKOTA WEST OF THE JAMESTOWN AND DEVILS LAKE AREAS AND SHOULD MOVE INTO THOSE AREAS BY 900 PM. STAY TUNED TO LOCAL RADIO AND T.V. AS WELL AS NOAA WEATHER RADIO FOR LATER STATEMENTS. EWENS
Special weather statement, Jul 18, 7:34 PM CDT, 3 hours 57 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004- 007>009-013>017-022>024-027>032-039>041-047-190135- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 733 PM CDT MON JUL 18 1994 ...STRONG THUNDERSTORMS CONTINUE OVER WEST CENTRAL MINNESOTA... AT 725 PM CDT...A 15 MILE WIDE BAND OF STRONG THUNDERSTORMS CONTINUED OVER WEST CENTRAL MINNESOTA FROM 30 MILES SOUTHEAST OF DETROIT LAKES TO 15 MILES EAST OF ALEXANDRIA. THESE STORMS WERE MOVING SOUTHEAST AT 30 MILES AN HOUR. HAIL...DEADLY LIGHTNING...BRIEF VERY HEAVY RAINS AND STRONG WIND GUSTS WILL ACCOMPANY THESE STORMS AS THEY MOVE ACROSS THE LAKES REGION. OUTDOOR ENTHUSIASTS...ESPECIALLY BOATERS AND CAMPERS ON AREA LAKES SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND SEEK SHELTER OR SAFE HARBOR AS NEEDED. OTHERWISE SCATTERED THUNDERSTORMS WERE MOVING INTO CENTRAL NORTH DAKOTA WEST OF THE JAMESTOWN AND DEVILS LAKE AREAS AND SHDOULD MOVE INTO THOSE AREAS BY 900 PM. STAY TUNED TO LOCAL RADIO AND T.V. AS WELL AS NOAA WEATHER RADIO FOR LATER STATEMENTS. EWENS
Special weather statement, Jul 18, 8:35 PM CDT, 2 hours 56 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004- 007>009-013>017-022>024-027>032-039>041-047-190235- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 835 PM CDT MON JUL 18 1994 ...STRONG THUNDERSTORMS MOVING OUT OF WEST CENTRAL MINNESOTA AS STRONG STORMS MOVE INTO ESTERN NORTH DAKOTA... AT 825 PM CDT...A CLUSTER OF STRONG THUNDERSTORMS CONTINUED MOVING ACROSS WEST CENTRAL MINNESOTA. THESE STORMS WERE BETWEEN BRAINERD...ALEXANDRIA AND SAINT CLOUD AND THEY WERE MOVING SOUTHEAST AT 30 MILES AN HOUR. OTHER STRONG THUNDERSTORMS WERE SCATTERED FROM THE DEVILS LAKE AREA TO THE NORTH/SOUTH DAKOTA BORDER SOUTHWEST OF JAMESTOWN. THE STRONGEST STORMS WERE 45 MILES NORTHWEST AND 45 MILES SOUTHWEST OF JAMESTOWN. MOVEMENT WAS EAST AT 25 MILES AN HOUR. OUTDOOR ENTHUSIASTS...ESPECIALLY BOATERS AND CAMPERS ON AREA LAKES SHOULD BE PREPARED FOR RAPIDLY CHANGING WEATHER CONDITIONS AND SEEK SAFE SHELTER OR HARBOR AS NEEDED. STAY TUNED TO LOCAL RADIO AND T.V. AS WELL AS NOAA WEATHER RADIO FOR LATER STATEMENTS. EWENS
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 11:14 PM CDT | Tornado Warning | FGF | Clay, Norman | 61 min |
| Jul 18, 9:04 PM CDT | Severe Thunderstorm Warning | FGF | LaMoure | 56 min |
| Jul 18, 9:29 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 61 min |
| Jul 18, 10:14 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Steele | 61 min |
| Jul 18, 10:14 PM CDT | Severe Thunderstorm Warning | FGF | Griggs | 61 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.