Alert archive / North Dakota / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 13, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 8, 1991, 7:13 PM MDT for Adams County, Bowman County, North Dakota. It was in force for 62 min.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1991, 7:13 PM MDT (01:13 UTC)
- Expired
- Jun 8, 1991, 8:15 PM MDT
- In force
- 62 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
Counties Adams County, ND, Bowman County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 1.2 hours before the alert went out and 193 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
- 827 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 1300 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- -2 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 090113
SVRBIS
NDC001-011-090215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
713 PM MDT SAT JUN 8 1991
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 815 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE SOUTHWEST PART OF NORTH DAKOTA
WESTERN ADAMS...BOWMAN
AT 710 PM MDT WEATHER RADAR INDICATED A CLUSTER OF SEVERE
THUNDERSTORMS FROM 10 MILES NORTHWEST OF BOWMAN TO 20 MILES
NORTHEAST OF BOWMAN MOVING SOUTHEAST AT 15 MPH.
THESE THUNDERSTORMS PRODUCED 1 INCH HAIL IN SLOPE COUNTY
AND HAVE CAUSED SOME SMALL CREEK FLOODING.
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
AND UNDERPASSES.
RSLWhat 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, Jun 8, 4:47 PM MDT, 2 hours 26 minutes before
NDZ002-003-005-092350- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 445 PM CDT SAT JUN 8 1991 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR PORTIONS OF WESTERN NORTH DAKOTA UNTIL 11 PM CDT...10 PM MDT... ...SEVERE THUNDERSTORM WARNING FOR CENTRAL DUNN COUNTY HAS BEEN CANCELLED... AT 445 PM MDT...NATIONAL WEATHER SERVICE RADAR IN WILLISTON INDICATED THE SEVERE THUNDERSTORM THAT WAS SOUTHWEST OF KILLDEER IN CENTRAL DUNN COUNTY HAS DECREASED IN INTENSITY DURING THE PAST 15 MINUTES. NO SEVERE WEATHER HAS BEEN REPORTED WITH THIS STORM. OTHER STRONG THUNDERSTORMS WERE OCCURRING 65 MILES SOUTHEAST OF WILLISTON...IN SOUTHEAST MOUNTRAIL COUNTY...20 MILES WEST OF PARSHALL. MOVEMENT OF THUNDERSTORMS WAS TO THE NORTHEAST AT 20 MPH. THESE STORMS WILL LIKELY PRODUCE HEAVY RAIN...HAIL...GUSTY WIND...AND DEADLY LIGHTNING. IF THUNDERSTORMS MOVE INTO YOUR AREA...GO INSIDE TO A PLACE OF SAFETY. THESE STORMS ARE MOVING OVER YAREAS WHERE PREVIOUS STORMS HAVE BEEN AND FLOODING OF LOW LYING AREAS IS POSSIBLE. DO NOT ATTEMPT TO CROSS ROADWAYS THAT ARE WATER COVERED. MARTIN
Special weather statement, Jun 8, 5:03 PM MDT, 2 hours 10 minutes before
NDZ003>014-090000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 600 PM CDT SAT JUN 8 1991 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 11 PM CDT FOR A LARGE PORTION OF WEST CENTRAL AND CENTRAL NORTH DAKOTA... AT 555 PM CDT WEATHER RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM 70 MILES SOUTHWEST OF DICKINSON...NEAR BOWMAN TO 40 MILES SOUTHWEST OF MINOT. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 20 MPH. THE STRONGEST THUNDERSTORM WAS 25 MILES SOUTHWEST OF DICKINSON AND MAY PASS NEAR BELFIELD AND SOUTH HEART. THESE THUNDERSTORMS...WHICH CONTAIN SMALL HAIL...GUSTY WINDS AND VERY HEAVY RAIN...HAVE THE POTENTIAL TO BECOME SEVERE AT ANY TIME. FOR THAT REASON PERSONS IN WESTERN NORTH DAKOTA SHOULD SEEK SHELTER IF THREATENING WEATHER APPROACHES. ANOTHER LINE OF THUNDERSTORMS EXTENDED FROM THE 65 MILES SOUTH OF JAMESTOWN TO THE DEVILAS LAKE AREA. THE STRONGEST THUNDERSTORMS WERE IN BENSON COUNTY...15 TO 30 pMILES WEST OF DEVILS LAKE. THESE PERSISTENT THUNDERSTORMS MAY CAUSE SOME LOCALIZED FLOODING. RESIDENTS SHOULD NOT CROSS FLOODED ROADS AND BE PREPARED TO LEAVE FLOOD PRONE AREAS. LEBLANG
Special weather statement, Jun 8, 5:08 PM MDT, 2 hours 5 minutes before
NDZ003>014-090000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 600 PM CDT SAT JUN 8 1991 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 11 PM CDT FOR A LARGE PORTION OF WEST CENTRAL AND CENTRAL NORTH DAKOTA... AT 555 PM CDT WEATHER RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM 70 MILES SOUTHWEST OF DICKINSON...NEAR BOWMAN TO 40 MILES SOUTHWEST OF MINOT. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 20 MPH. THE STRONGEST THUNDERSTORM WAS 25 MILES SOUTHWEST OF DICKINSON AND MAY PASS NEAR BELFIELD AND SOUTH HEART. THESE THUNDERSTORMS...WHICH CONTAIN SMALL HAIL...GUSTY WINDS AND VERY HEAVY RAIN...HAVE THE POTENTIAL TO BECOME SEVERE AT ANY TIME. FOR THAT REASON PERSONS IN WESTERN NORTH DAKOTA SHOULD SEEK SHELTER IF THREATENING WEATHER APPROACHES. ANOTHER LINE OF THUNDERSTORMS EXTENDED FROM THE 65 MILES SOUTH OF JAMESTOWN TO THE DEVILS LAKE AREA. THE STRONGEST THUNDERSTORMS WERE IN BENSON COUNTY...15 TO s30 MILES WEST OF DEVILS LAKE. THESE PERSISTENT THUNDERSTORMS MAY CAUSE SOME LOCALIZED FLOODING. RESIDENTS SHOULD NOT CROSS FLOODED ROADS AND BE PREPARED TO LEAVE FLOOD PRONE AREAS. LEBLANG
Special weather statement, Jun 8, 5:08 PM MDT, 2 hours 5 minutes before
NDZ002-003-005-092350- SPECIAL WEATHER STATEMENT...CORRECT FOR ISSUANCE TIME... NATIONAL WEATHER SERVICE WILLISTON ND 545 PM CDT SAT JUN 8 1991 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR PORTIONS OF WESTERN NORTH DAKOTA UNTIL 11 PM CDT...10 PM MDT... ...SEVERE THUNDERSTORM WARNING FOR CENTRAL DUNN COUNTY HAS BEEN CANCELLED... AT 445 PM MDT...NATIONAL WEATHER SERVICE RADAR IN WILLISTON INDICATED THE SEVERE THUNDERSTORM THAT WAS SOUTHWEST OF KILLDEER IN CENTRAL DUNN COUNTY HAS DECREASED IN INTENSITY DURING THE PAST 15 MINUTES. NO SEVERE WEATHER HAS BEEN REPORTED WITH THIS STORM. OTHER STRONG THUNDERSTORMS WERE OCCURRING 65 MILES SOUTHEAST OF WILLISTON...IN SOUTHEAST MOUNTRAIL COUNTY...20 MILES WEST OF PARSHALL. MOVEMENT OF THUNDERSTORMS WAS TO THE NORTHEAST AT 20 MPH. THESE STORMS WILL LIKELY PRODUCE HEAVY RAIN...HAIL...GUSTY WIND...AND DEADLY LIGHTNING. IF THUNDERSTORMS MOVE INTO YOUR AREA...GO INSIDE TO A PLACE OF SAFETtY. THESE STORMS ARE MOVING OVER AREAS WHERE PREVIOUS STORMS HAVE BEEN AND FLOODING OF LOW LYING AREAS IS POSSIBLE. DO NOT ATTEMPT TO CROSS ROADWAYS THAT ARE WATER COVERED. MARTIN
Special weather statement, Jun 8, 5:44 PM MDT, 1 hour 29 minutes before
NDZ002-003-005-090050- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 640 PM CDT (540 PM MDT) SAT JUN 8 1991 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF WESTERN NORTH DAKOTA UNTIL 11 PM CDT...10 PM MDT... AT 635 PM CDT...535 PM MDT...TWO VERY INTENSE THUNDERSTORMS WERE LOCATED 25 MILES WEST OF DICKINSON...IN SOUTHERN BILLINGS COUNTY. OTHER STRONG THUNDERSTORMS WERE OCCURRING 45 MILES EAST OF WILLISTON...IN SOUTHWEST MOUNTRIAL COUNTY...JUST WEST OF NEWTOWN. MOVEMENT OF THESE THUNDERSTORMS WAS TO THE NORTHEAST AT 10 MPH. BECAUSE OF THIS SLOW MOVEMENT...FLOODING OF SMALL STREAMS AND LOW LYING AREAS SHOULD BE EXPECTED. THESE STORMS WILL LIKELY PRODUCE HEAVY RAIN...HAIL...GUSTY WIND...AND DEADLY LIGHTNING. IF THUNDERSTORMS MOVE INTO YOUR AREA...GO INSIDE TO A PLACE OF SAFETY. IF YOU COME TO A FLOODED ROADWAY...DO NOT TRY TO DRIVE THROUGH THE WATER. MARTIN
Special weather statement, Jun 8, 7:09 PM MDT, 4 minutes before
NDZ002-003-090210- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 810 PM CDT (710 PM MDT) SAT JUN 8 1991 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF WESTERN NORTH DAKOTA UNTIL 11 PM CDT...10 PM MDT... AT 705 PM MDT A VERY STRONG THUNDERSTORM WAS 35 MILES NORTHWEST OF DICKINSON...IN EXTREME WEST-CENTRAL DUNN COUNTY...15 MILES WEST OF KILLDEER. IT WAS MOVING TO THE NORTHEAST AT 20 MPH. THIS THUNDERSTORM HAS PRODUCE GOLF BALL SIZED HAIL AS IT MOVED THROUGH BILLINGS COUNTY. IT WILL LIKELY PRODUCE DEADLY LIGHTNING...GUSTY WIND ...AND HEAVY RAIN IN ADDITION TO HAIL. IF THUNDERSTORMS MOVE INTO YOUR AREA...GO TO A SAFE SHELTER AS SOON AS POSSIBLE...DO NOT DELA Y. IF YOU COME TO A FLOODED ROAD...DO NOT DRIVE INTO THE WATER. MARTIN
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 6:06 PM MDT | Severe Thunderstorm Warning | BIS | Billings | 69 min |
| Jun 8, 6:14 PM MDT | Severe Thunderstorm Warning | BIS | Slope | 46 min |
| Jun 8, 6:42 PM MDT | Severe Thunderstorm Warning | BIS | Hettinger | 48 min |
| Jun 8, 8:16 PM MDT | Severe Thunderstorm Warning | BIS | Adams, Bowman | 44 min |
| Jun 8, 8:56 PM MDT | Severe Thunderstorm Warning | BIS | Eddy | 64 min |
| Jun 8, 9:05 PM MDT | Severe Thunderstorm Warning | BIS | Adams, Hettinger | 55 min |
| Jun 9, 8:10 AM MDT | Severe Thunderstorm Warning | BIS | Stutsman | 50 min |
| Jun 9, 8:26 AM MDT | Severe Thunderstorm Warning | BIS | Eddy, Foster | 49 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 1991Every severe thunderstorm warning in 1991
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.