Alert archive / North Dakota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 41, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 31, 1990, 2:06 AM CDT for Barnes County, Ransom County, North Dakota. It was in force for 69 min.
The area
The counties it named.
The facts
- Issued
- Aug 31, 1990, 2:06 AM CDT (07:06 UTC)
- Expired
- Aug 31, 1990, 3:15 AM CDT
- In force
- 69 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
Counties Barnes County, ND, Ransom County, ND
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Aberdeen, SD (KHON), launched 00:00Z, 7.1 hours before the alert went out and 204 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
- 1089 J/kg
- Mixed-layer CIN
- -195 J/kg
- Mixed-layer LCL
- 2332 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KFAR 310706
SVRFAR
NDC003-073-310815-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FARGO ND
206 AM CDT FRI AUG 31 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 315 AM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE EAST CENTRAL PART OF NORTH DAKOTA
SOUTHERN BARNES...
IN THE SOUTHEAST PART OF NORTH DAKOTA
NORTHERN RANSOM...
AT 200 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM 60 MILES
SOUTHWEST OF FARGO NORTH DAKOTA JUST SOUTH OF THE TOWN OF
LITCHVILLE IN SOUTHEAST NORTH DAKOTA. THIS STORM WAS MOVING
EAST AT 40 MILES AN HOUR AND WILL AFFECT THE TOWNS OF ENDERLIN...
NOME AND SHELDON THROUGH 300 AM CDT.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.
IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE POSSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.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 30, 11:35 PM CDT, 2 hours 31 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-310525- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 1125 PM CDT THU AUG 30 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF SOUTHEAST NORTH DAKOTA AND NORTHEAST SOUTH DAKOTA UNTIL 4 AM CDT... AT 1125 PM CDT A THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED 40 MILES SOUTHWEST OF JAMESTOWN NORTH DAKOTA. THIS THUNDERSTORM WAS MOVING NORTHEAST AT 25 MILES AN HOUR AND WILL BE IN THE JAMESTOWN NORTH DAKOTA AREA BY 1230 AM CDT. THIS THUNDERSTORM COULD PRODUCE BRIEF VERY HEAVY RAIN...HAIL AND STRONG WINDS. OTHER RAIN SHOWERS AND THUNDERSTORMS CONTINUED OVER NORTHEAST... CENTRAL AND SOUTHEAST NORTH DAKOTA AND ON SOUTH INTO SOUTH DAKOTA. THE STORNGEST OF THESE THUNDERSTORMS WERE SOUTHWEST OF JAMESTOWN NORTH DAKOTA AND WERE MOVING NORTHEAST AT 25 MILES AN HOUR. PERSONS IN AND NEAR THE WATCH AREA SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. PLEASE STAY TUNED TO YOUR LOCAL RADIO AND TV STATIONS AND NOAA WEATHER RADIO FOR LATEST INFORMATION ON THESE THUNDERSTORMS. ANDERSEN
Special weather statement, Aug 31, 12:37 AM CDT, 1 hour 29 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-310625- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 1225 AM CDT FRI AUG 31 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF SOUTHEAST NORTH DAKOTA AND NORTHEAST SOUTH DAKOTA UNTIL 4 AM CDT... AT 1225 AM CDT A THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED 40 MILES NORTH OF JAMESTOWN NORTH DAKOTA. THIS THUNDERSTORM WAS MOVING NORTHEAST AT 35 MILES AN HOUR AND WILL BE IN THE SHARON AND FINLEY AREAS OF STEELE COUNTY...60 MILES SOUTHWEST OF GRAND FORKS NORTH DAKOTA BY 130 AM CDT. THIS THUNDERSTORM COULD PRODUCE BRIEF VERY HEAVY RAIN...LARGE HAIL AND STRONG WINDS. ANOTHER THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED 40 MILES SOUTH OF JAMESTOWN NORTH DAKOTA NEAR EDGELEY NORTH DAKOTA. THIS THUNDERSTORM WAS MOVING NORTHEAST AT 35 MILES AN HOUR AND WILL BE IN THE VERONA AREA OF SOUTHEAST NORTH DAKOTA BY 115 AM CDT. THIS THUNDERSTORM COULD ALSO PRODUCE BRIEF VERY HEAVY RAIN...HAIL AND STRONG WINDS. OTHER RAIN SHOWERS AND THUNDERSTORMS CONTINUED OVER NORTHEAST ...EAST CENTRAL AND SOUTHEAST NORTH DAKOTA AND NORTHEAST SOUTH DAKOTA. THESE RAIN SHOWERS AND THUNDERSTORMS WERE ALSO MOVING NORTHEAST AT 35 MILES AN HOUR. PERSONS IN AND NEAR THE WATCH AREA SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. PLEASE STAY TUNED TO YOUR LOCAL RADIO AND TV STATIONS AND NOAA WEATHER RADIO FOR LATEST INFORMATION ON THESE THUND ERSTORMS. ANDERSEN
Special weather statement, Aug 31, 1:46 AM CDT, 20 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-310730- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 145 AM CDT FRI AUG 31 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF SOUTHEAST NORTH DAKOTA AND NORTHEAST SOUTH DAKOTA UNTIL 4 AM CDT... AT 127 AM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN WERE LOCATED 20 MILES NORTHWEST OF GRAND FORKS NORTH DAKOTA...AND 20 MILES SOUTH OF JAMESTOWN NORTH DAKOTA. THE STORMS WERE NEAR THE TOWNS OF INKSTER AND MONTPELIER NORTH DAKOTA. IN ADDITION TO VERY HEAVY RAIN THESE THUNDERSTORMS COULD PRODUCE HAIL ...FREQUENT DANGEROUS LIGHTNING STRIKES...AND 40 TO 50 MILE AN HOUR WIND GUSTS. MOVEMENT OF THESE THUNDERSTORMS WAS NORTHEAST AT 40 MILES AN HOUR. THE STORMS WILL PASS NORTH OF GRAND FORKS...NEAR THE TOWN OF MANVEL... AND NEAR THE TOWN OF LITCHVILLE...SOUTH OF VALLEY CITY BY 200 AM CDT. BY 230 AM CDT THE STORMS WILL BE NEAR ALVARADO AND WARREN IN NORTHWEST MINNESOTA...AND CHAFFEE IN EAST CENTRAL NORTH DAKOTA. IF YOU ARE IN OR NEAR ONE OF THE CITIES OR TOWNS MENTIONED... YOU SHOULD REMAIN ALERT FOR POSSIBLE SEVERE WEATHER IN YOUR AREA...REMEMBER THE ABOVE MENTIONED WATCH AND TAKE SHELrTER INDOORS IF THE NEED ARISES. STAY TUNED TO YOUR LOCAL RADIO AND TV STATIONS AND NOAA WEATHER RADIO FOR LATEST INFORMATION ON THESE THUNDERSTORMS. DM
Nearby
Severe Thunderstorm Warnings in North Dakota, 1990Every severe thunderstorm warning in 1990
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.