Alert archive / North Dakota / Tornado Warnings in 1991
Tornado Warning 3, NWS Bismarck, ND
NWS Bismarck, ND issued this tornado warning at May 30, 1991, 10:43 PM CDT for Ramsey County, Towner County, North Dakota. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- May 30, 1991, 10:43 PM CDT (03:43 UTC)
- Expired
- May 30, 1991, 11:30 PM CDT
- In force
- 47 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
Counties Ramsey County, ND, Towner County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 3.7 hours before the alert went out and 229 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
- 470 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 1822 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBIS 310343
TORBIS
NDC095-071-310430-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
1043 PM CDT THU MAY 30 1991
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 1130 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE NORTHEAST PART OF NORTH DAKOTA
SOUTHERN TOWNER...NORTHERN RAMSEY
AT 1033 PM CDT A POLICEMAN REPORTED A TORNADO ON THE GROUND
15 MILES NORTH OF CANDO...OR 40 MILES NORTHWEST OF DEVILS LAKE.
THE TORNADO WAS MOVING SOUTHEAST. CANDO AND STARKWEATHER ARE
INCLUDED IN THE WARNING.
IF YOU ARE IN THE PATH OF THIS TORNADO...GO TO A BASEMENT SHELTER
IF AVAILABLE...OTHERWISE TO A CENTRAL INTERIOR ROOM ON THE LOWEST
FLOOR...STAY AWAY FROM WINDOWS. ABANDON CARS AND MOBILE HOMES.
MANTHEWhat forecasters said that day
The local office's own words before this tornado 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, May 30, 5:10 PM CDT, 5 hours 33 minutes before
NDZ003-004-006-007-008-302200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 410 PM MDT THU MAY 30 1991 ...STRONG THUNDERSTORMS IN SOUTHWEST NORTH DAKOTA... AT 400 PM MDT...RADARS SHOWED THUNDERSTORMS MOVING OUT OF SOUTH DAKOTA INTO THE SOUTHWEST TIP OF NORTH DAKOTA. ONE STORM WAS RATHER STRONG AND LIKELY CONTAINED BRIEF HEAVY RAIN. THIS STORM WAS LOCATED ABOUT 12 MILES EAST OF BOWMAN AND MOVING NORTH AT 15 MPH. ELSEWHERE...ANOTHER STORM WAS DETECTED ABOUT 60 MILES SOUTHWEST OF BISMARCK NEAR THE TOWN OF NEW LEIPZIG. THIS STORM WAS ALSO QUITE STRONG AND COULD HAVE CONTAINED SMALL HAIL. THIS STORM WAS ALSO MOVING NORTH AT 15 MPH. LM
Special weather statement, May 30, 6:33 PM CDT, 4 hours 10 minutes before
NDZ001-302145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 625 PM CDT THU MAY 30 1991 ...THUNDERSTORMS DEVLOPING IN WESTERN NORTH DAKOTA... AT 625 PM CDT...WEATHER RADAR WAS INDICATING A STRONG THUNDERSTORM 50 MILES EAST/SOUTHEAST OF WILISTON OVER LAKE SAKAKWEA...OR 10 MILES SOUTHWEST OF NEWTOWN NORTH DAKOTA. THIS STORM IS CAPABLE OF DEADLY LIGHTNING...BRIEF HEAVY RAIN AND POSSIBLY SMALL HAIL. MOVEMENT IS TO THE NORTH AT 2b0 MPH. OTHER SHOWERS AND THUNDERSHOWERS WERE LOCATED JUST SOUTH OF THIS STORM AND EXTENDED SOUTH THROUGH DICKINSON AND WERE ALSO MOVING TO THE NORTH. IF THUNDERSTORMS APROACH YOUR AREA MOVE TO SAFE SHELTER INDOORS. TS
Special weather statement, May 30, 7:08 PM CDT, 3 hours 35 minutes before
NDZ003-004-006-007-008-310100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 708 PM CDT THU MAY 30 1991 ...THUNDERSTORMS IN CENTRAL AND SOUTHWEST NORTH DAKOTA... AT 700 PM CDT...BISMARCK RADAR SHOWED A LARGE AREA OF SCATTERED SHOWERS AND THUNDERSTORMS FROM DICKINSON TO THE EAST END OF LAKE SAKAKAWEA TO BISMARCK TO LEMMON SOUTH DAKOTA TO DICKINSON. TWO STRONG STORMS WERE LOCATED 40 MILES AND 60 MILES SOUTHWEST OF BISMARCK...OR NEAR THE EAST AND WEST ENDS OF LAKE TSCHIDA. THESE STORMS CONTAINED HEAVY RAIN AND POSSIBLE HAIL. THEY WERE MOVING VERY SLOW TO THE NORTH. IN THE SOUTHWEST TIP OF THE STATE...THUNDERSTORMS WERE WEAKENING AS THEY MOVED FROM SOUTH DAKOTA INTO BOWMAN COUNTY JUST EAST OF THE CITY OF BOWMAN. < LM
Special weather statement, May 30, 8:29 PM CDT, 2 hours 14 minutes before
NDZ003-004-005-006-007-008-009-010-310200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 820 PM CDT THU MAY 30 1991 ...THUNDERSTORMS IN CENTRAL AND SOUTHWEST NORTH DAKOTA... AT 810 PM CDT...BISMARCK RADAR SHOWED A BAND OF SHOWERS AND THUNDERSTORMS ABOUT 50 MILES WIDE EXTENDING FROM 20 MILES EAST OF BOTTINEAU TO THE EAST END OF LAKE SAKAKAWEA TO 50 MILES WEST OF BISMARCK TO 65 MILES SOUTH OF DICKINSON. THERE WERE A FEW VERY STRONG STORMS IN THIS BAND. ONE WAS LOCATED 50 MILES WEST OF BISMARCK NEAR GLEN ULLIN. THIS STORM HAD VERY HEAVY RAIN AND POSSIBLE HAIL. THE SECOND STRONG STORM WAS 65 MILES NORTHWEST OF BISMARCK NEAR GARRISON DAM...AND THE THIRD STRONG STORM WAS LOCATED ABOUT 45 MILES SOUTH OF MINOT. ALL OF THESE STORMS WERE MOVING NORTH AT 15 MPH. > LM
Special weather statement, May 30, 10:05 PM CDT, 38 minutes before
NDZ003-004-005-006-007-008-009-010-310400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 1005 PM CDT THU MAY 30 1991 ...THUNDERSTORMS IN WESTERN NORTH DAKOTA... AT 1005 PM CDT...BISMARCK RADAR SHOWED A BROAD BAND OF SHOWERS AND THUNDERSTORMS. IT WAS 50 MILES WIDE AND THE CENTER OF THE BAND EXTENDED FROM MINOT TO 30 MILES WEST OF BISMARCK TO 70 MILES SOUTHEAST OF DICKINSON. THERE WERE A FEW VERY STRONG STORMS IN THIS BAND JUST WEST OF THE BISMARCK/MANDAN AREA. ONE WAS 35 MILES NORTHWEST OF BISMARCK OR 10 MILES SOUTH OF CENTER. THE SECOND WAS 25 MILES WEST OF BISMARCK NEAR ALMONT...AND THE THIRD WAS 35 MILES SOUTHWEST OF BISMARCK OR 5 MILES NORTHWEST OF CARSON. THESE STORMS CONTAINED HEAVY RAIN AND POSSIBLE HAIL. THEY WERE MOVING NORTHEAST AT 20 MPH. LM
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 12:45 AM CDT | Tornado Warning | BIS | Burleigh | 25 min |
Nearby
Tornado Warnings in North Dakota, 1991Every tornado warning in 1991Tornadoes 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.