Alert archive / North Dakota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 55, NWS Grand Forks, ND

June 5, 1996Cass County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 5, 1996, 9:29 PM CDT for Cass County, North Dakota. It was in force for 46 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
Jun 5, 1996, 9:29 PM CDT (02:29 UTC)
Expired
Jun 5, 1996, 10:15 PM CDT
In force
46 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

County Cass County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 66 km from the middle of the area, began a volume at 02:30 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
Jun 5, 9:38 PM CDTHail 0.75Page, 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

Aberdeen, SD (KABR), launched 00:00Z, 2.5 hours before the alert went out and 243 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, Aberdeen, SD at 00:00Z on 1996-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 1996-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
2 J/kg
Mixed-layer CIN
-133 J/kg
Mixed-layer LCL
2688 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
44 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 060231
SVRFAR
NDC017-060315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA ND
929 PM CDT WED JUN 5 1996
 
THE NATIONAL WEATHER SERVICE IN EASTERN NORTH DAKOTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST NORTH DAKOTA
 
   ...CASS COUNTY
 
AT 929 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED 5
MILES NORTH OF PAGE...OR 40 MILES NORTHWEST OF FARGO...MOVING SOUTHEAST
AT 30 MPH. CITIES IN THE PATH OF THIS STORM ARE ARTHUR AND CASSELTON.
 
REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
 
NG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 8:47 PM CDTSevere Thunderstorm WarningFGFGriggs28 min
Jun 5, 10:12 PM CDTSevere Thunderstorm WarningFGFCass33 min
Jun 5, 10:19 PM CDTSevere Thunderstorm WarningFGFTraill26 min
Jun 5, 10:43 PM CDTSevere Thunderstorm WarningFGFCass32 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.