Alert archive / North Dakota / Tornado Warnings in 1993
Tornado Warning 5, NWS Bismarck, ND
NWS Bismarck, ND issued this tornado warning at Jul 1, 1993, 1:55 PM CDT for Wells County, North Dakota. It was in force for 18 min.
The area
The counties it named.
The facts
- Issued
- Jul 1, 1993, 1:55 PM CDT (18:55 UTC)
- Expired
- Jul 1, 1993, 2:13 PM CDT
- In force
- 18 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County Wells County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 6.9 hours before the alert went out and 120 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
- 130 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 1162 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBIS 011852 TORBIS NDC103-012000- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BISMARCK ND 155 PM CDT THU JUL 1 1993 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 230 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL NORTH DAKOTA ...WESTERN WELLS COUNTY AT 150 PM CDT A TORNADO WAS REPORTED NEAR GOODRICH...55 MILES NORTHEAST OF BISMARCK. RADAR INDICATED THIS THUNDERSTORM WAS MOVING NORTHEAST AT 20 MPH. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS. KM
What 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, Jul 1, 8:52 AM CDT, 5 hours 3 minutes before
NDZ001>011-011600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 850 AM CDT THU JUL 1 1993 ...SHOWERS AND THUNDERSTORMS WESTERN NORTH DAKOTA... AT 845 AM CDT...A LARGE AREA OF SHOWERS AND ISOLATED THUNDERSTORMS WERE OCCURRING OVER WESTERN NORTH DAKOTA. THE PRECIPITATION WAS IN A 50 MILE BAND STRETCHING FROM WILLISTON SOUTHWARD THROUGH DICKINSON INTO NORTHWEST SOUTH DAKOTA. ALL OF THE ACTIVITY WAS MOVING EAST AT 25 MILES AN HOUR.
Special weather statement, Jul 1, 1:05 PM CDT, 50 minutes before
NDZ002>003-005-011900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 105 PM CDT THU JUL 1 1993 ...THUNDERSTORMS MOVING INTO NORTHWEST NORTH DAKOTA... AT 100 PM CDT...WILLISTON RADAR INDICATED A THUNDERSTORM 20 MILES WEST OF WILLISTON. THE STORM WAS MOVING TO THE NORTHEAST AT 25 MILES AND HOUR AND WILL BE IN THE WILLISTON AREA AROUND 130 PM CDT. OTHER THUNDERSTORMS WERE ALSO DEVELOPING NEAR THE TOWN OF SIDNEY IN EASTERM MONTANA. THESE STORMS WERE MOVING TO THE NORTHEAST AT 25 MILES AN HOURS. THESE STORMS WILL LIKELY CONTAIN BRIEF HEAVY RAIN...GUSTY WINDS...SMALL HAIL AND DANGEROUS LIGHTNING. IF THESE THUNDERSTORMS APPROACH YOUR AREA...SEEK SHELTER INDOORS. RICHMOND
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 1:26 PM CDT | Tornado Warning | BIS | Pierce | 34 min |
| Jul 1, 3:11 PM CDT | Tornado Warning | BIS | Burleigh, Kidder | 34 min |
| Jul 1, 3:42 PM CDT | Tornado Warning | BIS | Towner | 30 min |
| Jul 1, 5:42 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 48 min |
| Jul 1, 5:52 PM CDT | Severe Thunderstorm Warning | BIS | Oliver | 68 min |
| Jul 1, 6:15 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh | 60 min |
Nearby
Tornado Warnings in North Dakota, 1993Every tornado warning in 1993Tornadoes in 1993
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.