Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 30, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 22, 1997, 5:45 PM CDT for Williams County, North Dakota. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 22, 1997, 5:45 PM CDT (22:45 UTC)
- Expired
- Jun 22, 1997, 6:45 PM CDT
- In force
- 60 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County Williams County, ND
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 22, 4:30 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Glasgow Intl Airport, MT (KGGW), launched 12:00Z, 10.8 hours before the alert went out and 231 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
- 2620 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
006 WUUS1 KISN 222247 RRA SVRISN NDC105-222345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE WILLISTON ND 545 PM CDT SUN JUN 22 1997 THE NATIONAL WEATHER SERVICE IN WILLISTON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST NORTH DAKOTA ...WILLIAMS COUNTY AT 540 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WAS LOCATED 20 MILES WEST AND SOUTHWEST OF WILLISTON. THE STORM WAS MOVING TO THE NORTHEAST AT ABOUT 20 MPH AND WILL BE NEAR THE TRENTON AND FT BUFORD AREA BY 600 PM CDT. OTHER CITIES IN THE PATH OF THE STORM INCLUDE WILLISTON...WHICH WILL BE AFFECTED BY AROUND 630 PM CDT. THIS STORM HAS A HISTORY OF PRODUCING 3/4 INCH HAIL AND DAMAGING WINDS. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND 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 RAINS FLOOD ROADS QUICKLY SO DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. CECIL &
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, Jun 22, 4:30 PM CDT, 1 hour 15 minutes before
NDZ036-037-222300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 430 PM CDT SUN JUN 22 1997 ...TORNADO WATCH UNTIL 11 PM CDT... AT 440 PM CDT A EAST-WEST LINE OF STRONG THUNDERSTORMS EXTENDED FROM NEAR TUTTLE EAST THROUGH PETTIBONE TO JAMESTOWN. THE THUNDERSTORMS WERE NORTHEAST AT 25 MPH. AT 435 PM PEA SIZE HAIL WAS REPORTED NEAR JAMESTOWN. THE THUNDERSTORMS WILL MOVE THROUGH ROBINSON...LAKE WILLIAMS...PENGREE.. BUCHANAN...AND SPIRITWOOD BY 6 PM CDT. THE THUNDERSTORMS WILL PRODUCE TORRENTIAL RAIN...HAIL AND STRONG WINDS. VAN ESS
Special weather statement, Jun 22, 4:47 PM CDT, 58 minutes before
NDZ036-037-222300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 430 PM CDT SUN JUN 22 1997 ...TORNADO WATCH UNTIL 11 PM CDT... AT 440 PM CDT A EAST-WEST LINE OF STRONG THUNDERSTORMS EXTENDED FROM NEAR TUTTLE EAST THROUGH PETTIBONE TO JAMESTOWN. THE THUNDERSTORMS WERE NORTHEAST AT 25 MPH. AT 435 PM PEA SIZE HAIL WAS REPORTED NEAR JAMESTOWN. THE THUNDERSTORMS WILL MOVE THROUGH ROBINSON...LAKE WILLIAMS...PENGREE.. BUCHzANAN...AND SPIRITWOOD BY 6 PM CDT. THE THUNDERSTORMS WILL PRODUCE TORRENTIAL RAIN...HAIL AND STRONG WINDS. VAN ESS
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 5:30 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 60 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 1997Every severe thunderstorm warning in 1997
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.