Alert archive / North Dakota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 89, NWS Grand Forks, ND

July 13, 1996Grand Forks County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 13, 1996, 7:36 PM CDT for Grand Forks County, North Dakota. It was in force for 44 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: Jul 13, 1996, 7:36 PM CDT (00:36 UTC)
Expired: Jul 13, 1996, 8:20 PM CDT
In force: 44 min
Issued by: NWS Grand Forks, ND
Area: Whole counties

County Grand Forks County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 45 km from the middle of the area, began a volume at 00:39 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
Jul 13, 8:00 PM CDT	Hail 0.75	Niagara, 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 nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 0.6 hours before the alert went out and 276 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: 57 J/kg
Mixed-layer CIN: -99 J/kg
Mixed-layer LCL: 1992 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: -35 m²/s²
0-3 km storm-relative helicity: 17 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFAR 140037
SVRFAR
NDC035-140130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA ND
736 PM CDT SAT JUL 13 1996
 
THE NATIONAL WEATHER SERVICE IN EASTERN NORTH DAKOTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 820 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST NORTH DAKOTA
 
   ...WESTERN GRAND FORKS COUNTY
 
AT 7:36 PM CDT...WEATHER RADAR SHOWED A SEVERE THUNDERSTORM 5 MILES EAST
OF INKSTER...OR 30 MILES NORTHWEST OF GRAND FORKS. THIS STORM IS MOVING
TO THE SOUTHWEST AT 25 MPH AND WILL BE AFFECTING THE TOWNS OF ORR AND
MCCANNA.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND OVER 57 MPH...HAIL
3/4 INCH IN DIAMETER OR LARGER...TORNADOES...DEADLY
LIGHTNING...AND VERY HEAVY RAIN.  MOVE TO A SMALL INTERIOR
ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
 
STRAGER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 7:01 PM CDT	Severe Thunderstorm Warning	FGF	Walsh	29 min
Jul 13, 7:57 PM CDT	Severe Thunderstorm Warning	FGF	Nelson	48 min
Jul 13, 8:16 PM CDT	Severe Thunderstorm Warning	FGF	Walsh	29 min
Jul 13, 8:50 PM CDT	Severe Thunderstorm Warning	FGF	Nelson	25 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1996 Every severe thunderstorm warning in 1996

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.