Alert archive / North Dakota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 2, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at May 17, 1994, 9:38 PM CDT for McLean County, North Dakota. It was in force for 52 min.
The area
The counties it named.
The facts
- Issued
- May 17, 1994, 9:38 PM CDT (02:38 UTC)
- Expired
- May 17, 1994, 10:30 PM CDT
- In force
- 52 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County McLean County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 2.6 hours before the alert went out and 104 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
- 1262 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 2279 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS1 KBIS 180238 RRA
SVRBIS
NDC055-180330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
938 PM CDT TUE MAY 17 1994
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1030 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE CENTRAL PART OF NORTH DAKOTA
EASTERN MCLEAN
AT 930 PM CDT WEATHER RADAR INDICATED A SEVERE THUNDERSTORM 27
MILES NORTH OF BISMARCK...OR 3 MILES NORTH OF WILTON...MOVING
NORTH NORTHEAST AT 35 MPH.
.
THIS STORM PRODUCED 1/2 INCH HAIL NEAR CENTER.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS 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 RAIN MAY FLOOD ROADWAYS QUICKLY
SO AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.
LEBLANGWhat 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 17, 8:23 PM CDT, 1 hour 15 minutes before
NDZ001>053-180215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 820 PM CDT TUE MAY 17 1994 ...STRONG THUNDERSTORM IN SOUTH CENTRAL NORTH DAKOTA... AT 815 PM CDT WEATHER RADAR INDICATED A STRONG THUNDERSTORM 20 MILES WEST OF BISMARCK...MOVING NORTH NORTHEAST AT 45 MPH. THIS STORM WILL LIKELY PRODUCE SMALL HAIL...GUSTY WINDS TO 50 MPH AND BRIEFLY HEAVY RAIN OVER NORTHEASTERN MORTON AND EASTERN OLIVER COUNTIES BETWEEN NOW AND 9 PM CDT. IF YOU ARE NEAR THE PATH OF THIS THUNDERSTORM SEEK SHELTER AS IT APPROACHES. LEBLANG
Special weather statement, May 17, 9:10 PM CDT, 28 minutes before
NDZ001>053-180300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 905 PM CDT TUE MAY 17 1994 ...STRONG THUNDERSTORMS IN EXTREME NORTH CENTRAL NORTH DAKOTA... AT 900 PM CDT WEATHER RADAR INDICATED A BAND OF STRONG THUNDERSTORMS FROM 5 MILES SOUTHEAST OF BOTTINEAU NORTH TO THE CANADIAN BORDER. THE STORMS WERE MOVING NORTH NORTHEAST AT 45 MPH. THESE THUNDERSTORMS PRODUCED PEA SIZE HAIL...WINDS TO 40 MPH...AND VERY HEAVY RAIN IN THE LAKE METIGOSHE AREA AT 855 PM CDT. PERSONS IN EXTREME EASTERN BOTTINEAU COUNTY AND IN ROLETTE COUNTY SHOULD SEEK SHELTER IMMEDIATELY IF THREATENING WEATHER APPROACHES. LEBLANG
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 8:49 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Oliver | 41 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 1994Every severe thunderstorm warning in 1994
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.