Alert archive / North Dakota / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 49, NWS Bismarck, ND

September 12, 1992Morton County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Sep 12, 1992, 4:51 PM MDT for Morton County, North Dakota. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Sep 12, 1992, 4:51 PM MDT (22:51 UTC)
Expired
Sep 12, 1992, 5:45 PM MDT
In force
54 min
Issued by
NWS Bismarck, ND
Area
Whole counties

County Morton County, ND

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 10.9 hours before the alert went out and 45 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.

Skew-T log-pSkew-T log-p diagram, Bismarck Municip, ND at 12:00Z on 1992-09-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 12:00Z on 1992-09-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 148 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1642 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
148 m²/s²
0-3 km storm-relative helicity
208 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KBIS 122251
SVRBIS
NDC059-037-122345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE BISMARCK ND
451 PM MDT SAT SEP 12 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 545 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE CENTRAL PART OF NORTH DAKOTA
      WESTERN MORTON...

   IN THE SOUTH CENTRAL PART OF NORTH DAKOTA
      NORTHWEST GRANT...

AT 445 PM MDT BISMARCK RADAR DETECTED A SEVERE THUNDERSTORM 18
MILES SOUTH OF HEBRON OR 50 MILES WEST OF BISMARCK. THIS STORM
WAS MOVING NORTHEAST AT 25 MPH. THE TOWN OF GLEN ULLIN IS IN THE
PATH OF THIS STORM.

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.

REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
A TORNADO WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT.

 MANTHE

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, Sep 12, 4:12 PM MDT, 39 minutes before
NDZ003-005-006-007-011-122330

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
410 PM MDT SAT SEP 12 1992

...STRONG THUNDERSTORMS DEVELOPING IN NORTHWEST OLIVER COUNTY...

AT 4 PM MDT...STRONG THUNDERSTORMS WERE DEVELOPING IN WESTERN OLIVER
COUNTY. THE STRONGEST STORMS WERE LOCATED 50 MILES EAST OF DICKINSON AND
WERE MOVING NORTHEAST AT 30 MPH. ON THIS PATH...THE STORMS WILL MOVE
THROUGH EASTERN MERCER COUNTY AND PASS JUST EAST OF BEULAH BY 420 PM MDT
AND THROUGH HAZEN BY 430 PM MDT.

THE THUNDERSTORMS CONTAIN HEAVY RAIN AND DEADLY LIGHTNING. THEY ALSO
LIKELY CONTAIN SOME HAIL AND GUSTY WINDS. PERSONS IN EASTERN MERCER
COUNTY SHOULD BE ALERT TO THE THREAT OF THUNDERSTORMS ASR THE CONDITIONS
ARE RIGHT FOR FURTHER STRENGTHENING OF THE STORMS THIS EVENING.

TAKE SHELTER OF THREATENING WEATHER APPROACHES.
ABELING

The office that day

Everything else NWS Bismarck, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 12, 4:51 PM MDTSevere Thunderstorm WarningBISGrant24 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1992Every severe thunderstorm warning in 1992

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.