Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 2, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at May 4, 1997, 4:38 PM MDT for Adams County, Hettinger County, North Dakota. It was in force for 37 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 4, 1997, 4:38 PM MDT (22:38 UTC)
- Expired
- May 4, 1997, 5:15 PM MDT
- In force
- 37 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
Counties Adams County, ND, Hettinger County, ND
The radar
The Bismarck radar (KBIS), 144 km from the middle of the area, began a volume at 22:39 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 4, 5:07 PM MDT | Thunderstorm Wind 56 | Hettinger, ND | 64 MPH WIND |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 10.6 hours before the alert went out and 148 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
- 1840 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 221 m²/s²
- 0-3 km storm-relative helicity
- 255 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
651 WUUS1 KBIS 042239 RRA SVRBIS NDC001-041-042315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BISMARCK ND 538 PM CDT (438 PM MDT) SUN MAY 4 1997 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM CDT (515 PM MDT) FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST NORTH DAKOTA ...ADAMS COUNTY...HETTINGER COUNTY AT 425 PM MDT...A SEVERE THUNDERSTORM PRODUCED 75 MPH WINDS AT BOWMAN. THE STORM WAS NOW LOCATED ON THE BOWMAN-ADAMS COUNTY LINE 30 TO 45 MILES SOUTH OF DICKINSON. THIS STORM WILL MOVE THROUGH THE COUNTIES OF HETTINGER AND ADAMS BY 500 PM MDT. TOWNS IN THE PATH OF THIS STORM INCLUDE REEDER...BUCYRUS...HETTINGER...NEW ENGLAND...REGENT AND MOTT. 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. ABELING &
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, May 4, 3:30 PM MDT, 1 hour 8 minutes before
NDZ001>004-009>012-017>022-031>036-040>047-050-050300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 430 PM CDT SUN MAY 4 1997 ...COLD FRONT BRINGING GUSTY WINDS TO WEST AND CENTRAL NORTH DAKOTA... A COLD FRONT MOVING THROUGH THE STATE THIS EVENING IS EXPECTED TO BRING SEVERAL HOURS OF GUSTY NORTHWEST WINDS TO WEST AND CENTRAL NORTH DAKOTA. SCATTERED SHOWERS AND A FEW THUNDERSTORMS WILL ACCOMPANY THE FRONT AND A FEW SHOWERS MAY PRODUCE WIND GUSTS TO 40 TO 50 MPH. A SHOWER THAT WENT THROUGH MILES CITY AT 320 PM CDT PRODUCED A WIND GUST TO 55 MPH AND CAUSED SOME DAMAGE TO IN THE CITY. AFTER THE SUN SETS THE WINDS ARE EXPECTED TO DIMINISH TO 10 TO 25 MPH. ABELING
Special weather statement, May 4, 3:52 PM MDT, 46 minutes before
NDZ001>004-009>012-017>022-031>036-040>047-050-050300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 430 PM CDT SUN MAY 4 1997 ...COLD FRONT BRINGING GUSTY WINDS TO WEST AND CENTRAL NORTH DAKOTA... A COLD FRONT MOVING THROUGH THE STATE THIS EVENING IS EXPECTED TO BRING SEVERAL HOURS OF GUSTY NORTHWEST WINDS TO WEST AND CENTRAL NORTH DAKOTA. SCATTERED SHOWERS AND A FEW THUNDERSTORMS WILL ACCOMPANY THE FRONT AND A FEW SHOWERS MAY PRODUCE WIND GUSTS TO 40 TO 50 MPH. A SHOWER THAT WENT THROUGH MILES CITY AT 320 PM CDT PRODUCED A WIND GUST TO 55 MPH AND CAUSED SOME DAMAGE TO IN THE CITY. AFTER THE SUN SETS THE WINDS ARE EXPECTED TO DIMINISH TO 10 TO 25 MPH. ABELING
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 4:15 PM MDT | Severe Thunderstorm Warning | BIS | Slope | 15 min |
| May 4, 4:48 PM MDT | Severe Thunderstorm Warning | BIS | Stark | 27 min |
| May 4, 5:13 PM MDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger | 47 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.