Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 42, NWS Bismarck, ND

June 27, 1997Stutsman County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 27, 1997, 8:17 PM CDT for Stutsman County, North Dakota. It was in force for 43 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 27, 1997, 8:17 PM CDT (01:17 UTC)
Expired: Jun 27, 1997, 9:00 PM CDT
In force: 43 min
Issued by: NWS Bismarck, ND
Area: Whole counties

County Stutsman County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 138 km from the middle of the area, began a volume at 01:16 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.

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 27, 5:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.3 hours before the alert went out and 134 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2650 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 2377 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 75 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.3

Open this sounding in Storm Lab

The text

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

869 
WUUS1 KBIS 280121 RRA
SVRBIS
NDC093-280200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
817 PM CDT FRI JUN 27 1997
 
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  900 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL NORTH DAKOTA
 
   ...NORTHEASTERN STUTSMAN COUNTY
 
AT 815 PM CDT A SEVERE THUNDERSTORM WAS 18 MILES NORTH OF JAMESTOWN...
3 MILES SOUTH OF COURTENAY.
 
IT WAS MOVING SOUTHEAST AT 10 MPH.
 
THIS STORM WILL PRODUCE LARGE HAIL AND VERY HEAVY RAIN THAT WILL FLOOD
ROADS AND LOW LYING AREAS.
 
SPIRITWOOD IS IN THE PATH OF THIS STORM.
 
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. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
 
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.
 
THIS WARNING DOES NOT INCLUDE THE CITY OF JAMESTOWN.
 
JP MARTIN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 7:50 AM CDT	Severe Thunderstorm Warning	BIS	LaMoure	40 min
Jun 28, 8:17 AM CDT	Tornado Warning	BIS	LaMoure	28 min
Jun 28, 8:38 AM CDT	Severe Thunderstorm Warning	BIS	Dickey	67 min
Jun 28, 8:50 AM CDT	Severe Thunderstorm Warning	BIS	LaMoure	40 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1997 Every 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; radar from the NEXRAD Level II archive.