Alert archive / North Dakota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 59, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jul 24, 1990, 7:12 PM MDT for Bowman County, North Dakota. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Jul 24, 1990, 7:12 PM MDT (01:12 UTC)
- Expired
- Jul 24, 1990, 8:15 PM MDT
- In force
- 63 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County Bowman 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 00:00Z, 1.2 hours before the alert went out and 228 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 152 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 250115
SVRBIS
NDC011-250215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
712 PM MDT TUE JUL 24 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 815 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE SOUTHWEST PART OF NORTH DAKOTA
WESTERN BOWMAN
AT 710 PM MDT WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
28 MILES WEST SOUTHWEST OF BOWMAN. THIS THUNDERSTORM WAS STATIONARY
AND SLOWLY DEVELOPING SOUTHWARD.
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.
THIS SLOW MOVING THUNDERSTORM MAY CAUSE FLOODING OF SMALL STREAMS.
THIS WARNING DOES NOT INCLUDE THE CITY OF BOWMAN.
MCMULLENWhat 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 24, 6:20 PM MDT, 52 minutes before
NDZ003-250115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 720 PM CDT TUE JUL 24 1190 ...THUNDERSTORMS DEVELOPING OVER SOUTHWEST NORTH DAKOTA... AT 710 PM CDT NATIONAL WEATHER SERVICE RADAR IN WILLISTON INDICATED THUNDERSTORMS DEVELOPING 55 MILES SOUTHWEST OF DICKINSON...OR 15 SOUTH OF THE TOWN OF GOLVA IN SOUTHERN GOLDEN VALLEY COUNTY. THESE STORMS ARE MOVING VERY SLOWLY TO THE NORTHEAST AT 10 MPH. OTHER THUNDERSTORMS WElRE LOCATED 95 MILES SOUTHWEST OF WILLISTON... OR 5 MILES SOUTHWEST OF THE TOWN OF MARCH IN DAWSON COUNTY MONTANA. BRIEF HEAVY RAINS AND DANGEROUS LIGHTNING MAY ACCOMPANY THESE STORMS. LEWIS
Special weather statement, Jul 24, 6:42 PM MDT, 30 minutes before
NDZ002>004-250130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 640 PM MDT TUE JUL 24 1990 ...A VERY STRONG THUNDERSTORM WAS DEVELOPING IN EXTREME SOUTHWEST NORTH DAKOTA... AT 640 PM MDT A VERY STRONG THUNDERSTORM WAS LOCATED IN EXTREME WESTERN BOWMAN COUNTY 30 MILES WEST OF BOWMAN OR 10 MILES SOUTHWEST OF MARMARTH. THE THUNDERSTORM WAS MOVING SLOWLY NORTH AND WILL PRODUCE EXTREMELY HEAVY RAIN AND HAIL. THE THUNDERSTORM WILL MOVE INTO SOUTHWEST SLOPE COUNTY NEAR MARMARTH BY 715 PM MDT. VAN ESS
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.