Alert archive / North Dakota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 129, NWS Grand Forks, ND

July 28, 1996Eddy County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 28, 1996, 6:17 PM CDT for Eddy County, North Dakota. It was in force for 43 min. 6 reports 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 28, 1996, 6:17 PM CDT (23:17 UTC)
Expired
Jul 28, 1996, 7:00 PM CDT
In force
43 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

County Eddy County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 120 km from the middle of the area, began a volume at 23:17 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

TimeReportWhereRemark
Jul 28, 6:22 PM CDTHail 1Sheyenne, ND
Jul 28, 6:30 PM CDTHail 1Sheyenne, ND
Jul 28, 7:00 PM CDTHail 1New Rockford, ND
Jul 28, 7:02 PM CDTTornado F0New Rockford, ND
Jul 28, 7:04 PM CDTHail 4.5New Rockford, ND
Jul 28, 7:10 PM CDTTornado F0Barlow, 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 12:00Z, 11.3 hours before the alert went out and 172 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 1996-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 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 1996-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.19395878Sfc1 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
3 J/kg
Mixed-layer CIN
-240 J/kg
Mixed-layer LCL
1075 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
168 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 KFAR 282318
SVRFAR
NDC027-290000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA ND
617 PM CDT SUN JUL 28 1996
 
THE NATIONAL WEATHER SERVICE IN EASTERN NORTH DAKOTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST NORTH DAKOTA
 
   ...EDDY COUNTY
 
AT 618 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES
SOUTHWEST OF OBERON...30 MILES SOUTHWEST OF DEVILS LAKE. THE CITIES OF
SHEYENNE AND NEW ROCKFORD ARE IN THE PATH OF THIS STORM.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND OVER 57 MPH...HAIL
3/4 INCH IN DIAMETER OR LARGER...TORNADOES...DEADLY
LIGH,TNING...AND VERY HEAVY RAIN.  MOVE TO A SMALL INTERIOR
ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 4:05 PM CDTSevere Thunderstorm WarningFGFTowner25 min
Jul 28, 4:35 PM CDTSevere Thunderstorm WarningFGFTowner25 min
Jul 28, 4:48 PM CDTTornado WarningFGFTowner27 min
Jul 28, 4:53 PM CDTSevere Thunderstorm WarningFGFBenson37 min
Jul 28, 5:07 PM CDTTornado WarningFGFBenson33 min
Jul 28, 5:31 PM CDTTornado WarningFGFRamsey29 min
Jul 28, 5:36 PM CDTTornado WarningFGFBenson24 min
Jul 28, 6:02 PM CDTSevere Thunderstorm WarningFGFBenson28 min
Jul 28, 6:57 PM CDTFlash Flood WarningFGFEddy33 min
Jul 28, 6:57 PM CDTSevere Thunderstorm WarningFGFEddy33 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1996Every 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.