Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 141, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Aug 27, 1997, 8:20 PM CDT for Williams County, North Dakota. It was in force for 55 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
- Aug 27, 1997, 8:20 PM CDT (01:20 UTC)
- Expired
- Aug 27, 1997, 9:15 PM CDT
- In force
- 55 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County Williams County, ND
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 27, 8:30 PM CDT | Hail 0.75 | Corinth, ND |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 27, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 1.3 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
- 1641 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 2711 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
352 WUUS1 KISN 280121 RRA SVRISN NDC105-280215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE WILLISTON ND 820 PM CDT WED AUG 27 1997 THE NATIONAL WEATHER SERVICE IN WILLISTON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 915 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST NORTH DAKOTA ...WILLIAMS COUNTY AT 815 PM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS HAD DEVELOPED IN MONTANA AND WERE MOVING INTO NORTH DAKOTA. THE LINE WAS LOCATED FROM 12 MILES NORTHWEST OF WILLISTON TO 70 MILES SOUTHWEST OF WILLISTON. TOWNS IN THE PATH OF THESE STORMS ARE TRENTON...BUFORD AND WILLISTON. THESE STORMS HAD PREVIOUSLY PRODUCED DIME SIZED HAIL IN MONTANA. THE LINE WAS MOVING TO THE EAST NORTHEAST AT ABOUT 20 MPH. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS. 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, Aug 27, 3:05 PM CDT, 5 hours 15 minutes before
NDZ001>004-009>012-017-272200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 305 PM CDT WED AUG 27 1997 ...STRONG THUNDERSTORMS MAY PRODUCE SEVERE WEATHER IN NORTHWEST NORTH DAKOTA... A CLUSTER OF THUNDERSTORMS IN SOUTHEAST SASKATCHEWAN WILL MOVE INTO EXTREME NORTHWEST NORTH DAKOTA AROUND 400 PM CDT. THE CONDITIONS ARE FAVORABLE FOR SEVERE WEATHER IN THE FORM OF LARGE HAIL AND DAMAGING WINDS. IF THESE STORMS CONTINUE ON THEIR PATH...PERSONS IN DIVIDE AND BURKE COUNTIES SHOULD EXPECT THE POSSIBILITY OF SEVERE WEATHER. BE ON THE LOOKOUT AND LISTEN FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. ABELING
Special weather statement, Aug 27, 3:07 PM CDT, 5 hours 13 minutes before
NDZ001>004-009>012-017-272200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 305 PM CDT WED AUG 27 1997 ...STRONG THUNDERSTORMS MAY PRODUCE SEVERE WEATHER IN NORTHWEST NORTH DAKOTA... A CLUSTER OF THUNDERSTORMS IN SOUTHEAST SASKATCHEWAN WILL MOVE INTO EXTREME NORTHWEST NORTH DAKOTA AROUND 400 PM CDT. THE CONDITIONS ARE FAVORABLE FOR SEVERE WEATHER IN THE FORM OF LARGE HAIL AND DAMAGING WINDS. IF THESE STORMS CONTINUE ON THEIR PATH...PERSONS IN DIVIDE AND BURKE COUNTIES SHOULD EXPECT THE POSSIBILITY OF SEVERE WEATHER. BE ON THE LOOKOUT AND LISTEN FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. ABELING
Special weather statement, Aug 27, 7:30 PM CDT, 50 minutes before
NDZ010-011-280130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 730 PM CDT WED AUG 27 1997 ...STRONG THUNDERSTORMS CONTINUE ACROSS NORTH CENTRAL NORTH DAKOTA... AT 730 PM CDT A LINE OF STRONG THUNDERSTORMS EXTENDED FROM 25 MILES WEST OF NEW TOWN OR 65 MILES WEST OF MINOT...TO 35 MILES NORTHWEST OF MINOT NEAR TAGUS. THE STORMS WERE MOVING SOUTHEAST AT 25 MPH. TOWNS IN THE PATH OF THE STORMS INCLUDE NEW TOWN...PARSHALL...PLAZA...AND BERTHOLD. WIND GUSTS TO 55 MPH...SMALL HAIL...AND VERY HEAVY RAIN CAN BE EXPECTED WITH THIS STORM. 55 MPH WINDS WERE REPORTED NEAR STANLEY WITH THESE STORMS. LEBLANG/VINING
Special weather statement, Aug 27, 7:33 PM CDT, 47 minutes before
NDZ010-011-280130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 730 PM CDT WED AUG 27 1997 ...STRONG THUNDERSTORMS CONTINUE ACROSS NORTH CENTRAL NORTH DAKOTA... AT 730 PM CDT A LINE OF STRONG THUNDERSTORMS EXTENDED FROM 25 MILES WEST OF NEW TOWN OR 65 MILES WEST OF MINOT...TO 35 MILES NORTHWEST OF MINOT NEAR TAGUS. THE STORMS WERE MOVING SOUTHEAST AT 25 MPH. TOWNS IN THE PATH OF THE STORMS INCLUDE NEW TOWN...PARSHALL...PLAZA.(..AND BERTHOLD. WIND GUSTS TO 55 MPH...SMALL HAIL...AND VERY HEAVY RAIN CAN BE EXPECTED WITH THIS STORM. 55 MPH WINDS WERE REPORTED NEAR STANLEY WITH THESE STORMS. LEBLANG/VINING
Local storm report, Aug 27, 7:55 PM CDT, 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILLISTON ND
755 PM CDT WED AUG 27 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0420 PM WESTBY MT 0.88 INCH HAIL
08/27/97 SHERIDAN ONE FOOT IN DEPTH OVER
ROADWAY
0430 PM 5 MILES EAST OF WESTBY MT 65 MPH WIND GUST
08/27/97 SHERIDAN
BRWLocal storm report, Aug 27, 8:00 PM CDT, 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILLISTON ND
800 PM CDT WED AUG 27 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0548 PM HANKS ND 60 MPH WIND GUST
08/27/97 WILLIAMS
BRWThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 8:34 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 56 min |
| Aug 28, 2:44 AM CDT | Severe Thunderstorm Warning | BIS | Bowman, Slope | 61 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.