Alert archive / North Dakota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 56, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jul 10, 1990, 5:46 PM CDT for Sheridan County, Wells County, North Dakota. It was in force for 32 min.
The area
The counties it named.
The facts
- Issued
- Jul 10, 1990, 5:46 PM CDT (22:46 UTC)
- Expired
- Jul 10, 1990, 6:18 PM CDT
- In force
- 32 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
Counties Sheridan County, ND, Wells 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
Bismarck Municip, ND (KBIS), launched 12:00Z, 10.8 hours before the alert went out and 104 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
- 8 J/kg
- Mixed-layer CIN
- -282 J/kg
- Mixed-layer LCL
- 1438 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBIS 102247
SVRBIS
NDC083-103-102330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
546 PM CDT TUE JUL 10 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE CENTRAL PART OF NORTH DAKOTA
SOUTHEAST SHERIDAN...SOUTHWEST WELLS
AT 545 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 55 MILES
NORTH NORTHEAST OF BISMARCK IN EAST CENTRAL SHERIDAN COUNTY
MOVING SOUTHEAST AT 25 MILES AN HOUR.
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. HEAVY RAIN MAY FLOOD ROADWAYS QUICKLY
SO AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.
REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
A TORNADO WITH LITTLE OR NO ADVANCDE WARNING SO BE ON THE LOOKOUT.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 10, 3:00 PM CDT, 2 hours 46 minutes before
NDZ002-005-101950- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 255 PM CDT TUE JUL 10 1990 ...DEVELOPING THUNDERSTORMS OVER NORTHWEST NORTH DAKOTA... AT 240 PM CDT THUNDERSTORMS CONTINUED TO DEVELOPE OVER WILLIAMS...BURKE AND MOUNTRAIL COUNTIES OF NORTHWEST NORTH DAKOTA. THE AREA OF SHOWERS AND THUNDERSTORMS WAS 10 MILES NORTH OF WILLISTON TO 50 MILES NORTHEAST OF WILLISTON THEN SOUTH TO LAKE SAKAKAWEA. THE THUNDERSTORMS ARE MOVING TO THE SOUTHEAST AT 15 MPH. HEAVY RAIN FREQUENT LIGHTNING STRIKES ALONG WITH POSSIBLE HAIL MAY ACCOMPANY THESE THUNDERSTORMS. THE HEAVY RAINS COULD PRODUCE FLOODING OF LOW LYING AND POOR DRAINAGE AREAS. MOTORISTS SHOULD NOT ATTEMPT TO DRIVE INTO OR CROSS FLOODED ROADWAYS. IF THESE THUNDERSTORMS APPROACH YOUR AREA...SEEK SHELTER INSIDE. ALLARD
Special weather statement, Jul 10, 4:53 PM CDT, 53 minutes before
NDZ001>018-110000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 350 PM MDT TUE JUL 10 1990 ...STRONG THUNDERSTORMS DEVELOPING OVER SOUTHWESTERN NORTH DAKOTA... AT 345 PM MDT WEATHER SERVICE RADAR INDICATED A CLUSTER OF THUNDERSTORMS OVER EXTREME SOUTHWESTERN NORTH DAKOTA SOUTHWEST OF DICKINSON. THE STRONGEST THUNDERSTORM WAS 30 MILES SOUTHWEST OF DICKINSON...OR JUST WEST OF THE TOWN OF AMIDON. THIS THUNDERSTORMS WAS MOVING SOUTH AT 15 MPH AND WILL BE IN THE BOWMAN AREA BETWEEN 430 AND 500 PM MDT. AT 345 PM MDT WINDS GUSTING TO 40 TO 45 MPH AND PEA SIZE HAIL WAS REPORTED JUST WEST OF AMIDON. OTHER THUNDERSTORMS WERE SCATTERED ACROSS WESTERN AND CENTRAL NORTH DAKOTA...GENERALLY NORTH OF A BISMARCK TO DICKINSON LINE. THESE STORMS WERE MOVING SOUTHEAST AT 20 MPH. ALL OF THESE THUNDERSTORMS HAVE THE CAPABILITY OF PRODUCING VERY HEAVY RAIN...SMALL HAIL...FREQUENT CLOUD TO GROUND LIGHTNING AND WINDS GUSTING UP TO 50 MPH. WITH THE HEAVY RAIN SOME BRIEF FLOODING OF LOW LYING AREAS IS POSSIBLE. PEOPLE ACROSS WESTERN AND CENTRAL NORTH DAKOTA SHOULD BE ALERT TO THE LATEST STATEMENTS AND POSSIBLY WARNINGS AND SEEK SHELTER SHOULD THE WEATHER LOOK THREATENING. MCMULLEN
Special weather statement, Jul 10, 5:14 PM CDT, 32 minutes before
NDZ002>003-102300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 510 PM CDT TUE JUL 10 1990 ...STRONG THUNDERSTORMS ARE CONTINUING OVER NORTHWEST NORTH DAKOTA... AT 500 PM CDT THE NATIONAL WEATHER SERVICE RADAR IN WILLISTON INDICATED SEVERAL DEVELOPING THUNDERSTORMS OVER NORTHWEST NORTH DAKOTA. THE STRONGEST THUNDERSTORMS WERE OVER SOUTHWEST BURKE COUNTY OR 40 MILES NORTHWEST OF WILLISTON...5 MILES EAST OF STANLEY IN MOUNTRAIL COUNTY AND OVER SOUTH CENTRAL MCKENZIE COUNTY OR 50 SOUTH OF WILLISTON. THERE HAVE BEEN REPORTS OF VERY HEAVY RAINFALL WITH THE THUNDESTORMS. THE STORMS MAY ALSO PRODUCE GUSTY WINDS...HAIL...AND DEADLY LIGHTNING. THE THUNDERSTORMS WERE MVING EAST (SOUTHEAST AT 25 MPH. MOTORISTS SHOULD NOT ATTEMPT TO DRIVE INTO OR CROSS FLOODED ROADWAYS. IF THESE THUNDERSTORMS APPROACH YOUR AREA...SEEK SHELTER INSIDE. KENNEDY
Special weather statement, Jul 10, 5:22 PM CDT, 24 minutes before
NDZ001>018-110100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 520 PM CDT TUE JUL 10 1990 ...STRONG THUNDERSTORMS OVER MUCH OF SOUTHWEST AND CENTRAL NORTH DAKOTA... AT 515 PM CDT WEATHER SERVICE RADAR INDICATED SCATTERED THUNDERSTORMS OVER SOUTHWEST AND CENTRAL NORTH DAKOTA MOVING SOUTHEAST AT 20 MPH. THE STRONGEST THUNDERSTORMS WERE LOCATED...35 MILES SOUTHWEST OF DICKINSON SOUTHEAST OF AMIDON...25 MILES NORTHWEST OF MINO-T AND 35 MILES NORHEAST OF DICKINSON IN EASTERN DUNN COUNTY. ALL OF THE THUNDERSTORMS MAY PRODUCE HAIL AND BRIEF HEAVY RAIN.
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.