Alert archive / North Dakota / Flash Flood Warnings in 1996

Flash Flood Warning 6, NWS Grand Forks, ND

July 28, 1996Eddy County, North Dakota

NWS Grand Forks, ND issued this flash flood warning at Jul 28, 1996, 6:57 PM CDT for Eddy County, North Dakota. It was in force for 33 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
Jul 28, 1996, 6:57 PM CDT (23:57 UTC)
Expired
Jul 28, 1996, 7:30 PM CDT
In force
33 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 23:58 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 nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 12.0 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 282358
FFWFAR
NDC027-290030-
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA ND
657 PM CDT SUN JUL 28 1996
 
THE NATIONAL WEATHER SERVICE IN EASTERN NORTH DAKOTA HAS ISSUED A
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
EFFECTIVE UNTIL  730 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST NORTH DAKOTA
 
   ...WESTERN EDDY COUNTY
 
AT 700 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM NEAR THE TOWN OF NEW ROCKFORD...OR 40 MILES SOUTH OF DEVILS
LAKE...MOVING SOUTHEAST AT 10 MILES AN HOUR. THIS STORM WILL PASS JUST
NORTH OF THE TOWN OF BARLOW.
 
REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
ARMSTRONG

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, 6:17 PM CDTSevere Thunderstorm WarningFGFEddy43 min
Jul 28, 6:57 PM CDTSevere Thunderstorm WarningFGFEddy33 min

Nearby

Flash Flood Warnings in North Dakota, 1996Every flash flood 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.