Alert archive / North Dakota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 70, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 23, 1994, 10:29 AM CDT for Cass County, Richland County, North Dakota. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Aug 23, 1994, 10:29 AM CDT (15:29 UTC)
- Expired
- Aug 23, 1994, 11:30 AM CDT
- In force
- 61 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
Counties Cass County, ND, Richland County, ND
The nearest sounding before it
Aberdeen, SD (KHON), launched 12:00Z, 3.5 hours before the alert went out and 214 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
- 82 J/kg
- Mixed-layer CIN
- -829 J/kg
- Mixed-layer LCL
- 1515 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 231 m²/s²
- 0-3 km storm-relative helicity
- 183 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 23, 4:35 AM CDT, 5 hours 54 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004- 007>009-013>017-022>024-027>032-039>041-047-231035- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 435 AM CDT TUE AUG 23 1994 ...ISOLATED STRONG THUNDERSTORMS CONTINUE OVER VALLEY REGION... AT 425 AM CDT...A DIMINISHING AREA OF SHOWERS AND THUNDERSTORMS...SOME OF THEM STRONG...CONTINUED OVER NORTHWEST AND WEST CENTRAL MINNESOTA AND A SMALL PART OF SOUTHEAST NORTH DAKOTA. THE STRONGEST THUNDERSTORMS WERE 10 MILES EAST OF FARGO NEAR GLYNDON MINNESOTA...20 MILES WEST OF DETROIT LAKES NEAR ROLLAG AND 30 MILES WEST OF BRAINERD NEAR STAPLES. MOVEMENT WAS NORTHEAST AT 35 MILES AN HOUR. AS THE THUNDERSTORMS PASSED JUST SOUTHEAST OF THE F/M AREA WINDS GUSTED TO 40 MPH. THESE STRONGER THUNDERSTORMS WILL PRODUCE WIND GUSTS TO NEAR 50 MILES AN HOUR...SOME HAIL AND BRIEF TORRENTIAL RAINS. CAMPERS... BOATERS AND OTHERS OUT-OF-DOORS IN THE LAKES REGION SHOULD BE ON THE ALERT FOR THESE STRONGER STORMS AND SEEK SAFE SHELTER AS NEEDED. EWENS
Special weather statement, Aug 23, 4:36 AM CDT, 5 hours 53 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004- 007>009-013>017-022>024-027>032-039>041-047-231035- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 435 AM CDT TUE AUG 23 1994 ...ISOLATED STRONG THUNDERSTORMS CONTINUE OVER VALLEY REGION... AT 425 AM CDT...A DIMINISHING AREA OF SHOWERS AND THUNDERSTORMS...SOME OF THEM STRONG...CONTINUED OVER NORTHWEST AND WEST CENTRAL MINNESOTA AND A SMALL PART OF SOUTHEAST NORTH DAKOTA. THE STRONGEST THUNDERSTORMS WERE 10 MILES EAST OF FARGO NEAR GLYNDON MINNESOTA...20 MILES WEST OF DETROIT LAKES NEAR ROLLAG AND 30 MILES WEST OF BRAINERD NEAR STAPLES. MOVEMENT WAS NORTHEAST AT 35 MILES AN HOUR. AS THE THUNDERSTORMS PASSED JUST SOUTHEAST OF THE F/M AREA WINDS GUSTED TO 40 MPH. THESE STRONGER THUNDERSTORMS WILL PRODUCE WIND GUSTS TO NEAR 50 MILES AN HOUR...SOME HAIL AND BRIEF TORRENTIAL RAINS. CAMPERS... BOATERS AND OTHERS OUT-OF-DOORS IN THE LAKES REGION SHOULD BE ON THE ALERT FOR THESE STRONGER STORMS AND SEEK SAFE SHELTER AS NEEDED. EWENS
Special weather statement, Aug 23, 8:35 AM CDT, 1 hour 54 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004- 007>009-013>017-022>024-027>032-039>041-047-231435- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 835 AM CDT TUE AUG 23 1994 ...SCATTERED THUNDERSTORMS CONTINUE OVER SOUTHEAST NORTH DAKOTA... AT 825 AM CDT...AN AREA OF SHOWERS AND THUNDERSTORMS...A FEW WITH HEAVY RAIN...CONTINUED OVER SOUTHEAST NORTH DAKOTA. THE THUNDERSTORMS WERE SCATTERED OVER A 100 MILE WIDE BAND FROM THE SOUTH DAKOTA BORDER SOUTH OF JAMESTOWN TO NEAR VALLEY CITY. THE STRONGEST STORM WAS LOCATED BETWEEN LA MOURE AND VERONA IN SOUTHEAST LA MOURE COUNTY OR 80 MILES SOUTHEAST OF FARGO. THE PRECIPITATION WAS MOVING NORTHEAST AT 35 TO 40 MPH. THESE STORMS MAY PRODUCE BRIEF HEAVY RAIN...DANGEROUS LIGHTNING AND GUSTY WINDS. IF YOU ARE IN OR NEAR THE PATH OF THESE STORMS BE PREPARED TO TAKE SHELTER UNTIL THE STORMS PASS. HW
Special weather statement, Aug 23, 8:39 AM CDT, 1 hour 50 minutes before
NDZ007-008-016-026>030-038-039-048-049-051>053-MNZ001>004- 007>009-013>017-022>024-027>032-039>041-047-231435- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 835 AM CDT TUE AUG 23 1994 ...SCATTERED THUNDERSTORMS CONTINUE OVER SOUTHEAST NORTH DAKOTA... AT 825 AM CDT...AN AREA OF SHOWERS AND THUNDERSTORMS...A FEW WITH HEAVY RAIN...CONTINUED OVER SOUTHEAST NORTH DAKOTA. THE THUNDERSTORMS WERE SCATTERED OVER A 100 MILE WIDE BAND FROM THE SOUTH DAKOTA BORDER SOUTH OF JAMESTOWN TO NEAR VALLEY CITY. THE STRONGEST STORM WAS LOCATED BETWEEN LA MOURE AND VERONA IN SOUTHEAST LA MOURE COUNTY OR 80 MILES SOUTHEAST OF FARGO. THE PRECIPITATION WAS MOVING NORTHEAST AT 35 TO 40 MPH. THESE STORMS MAY PRODUCE BRIEF HEAVY RAIN...DANGEROUS LIGHTNING AND GUSTY WINDS. IF YOU ARE IN OR NEAR THE PATH OF THESE STORMS BE PREPARED TO TAKE SHELTER UNTIL THE STORMS PASS. HW
Local storm report, Aug 23, 10:14 AM CDT, 15 minutes before
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</html>Local storm report, Aug 23, 10:15 AM CDT, 14 minutes before
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<section class="card" role="status" aria-live="polite">
<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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<p id="message2">
Please try again in a few minutes.
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</html>The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 9:35 AM CDT | Severe Thunderstorm Warning | FGF | Ransom, Sargent | 55 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.