Alert archive / North Dakota / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 91, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 13, 1996, 8:16 PM CDT for Walsh County, North Dakota. It was in force for 29 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, 8:16 PM CDT (01:16 UTC)
- Expired
- Jul 13, 1996, 8:45 PM CDT
- In force
- 29 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Walsh County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 98 km from the middle of the area, began a volume at 01:20 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, 8:20 PM CDT | Hail 0.75 | Adams, 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, 1.3 hours before the alert went out and 286 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFAR 140117 RRA SVRFAR NDC099-140145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA ND 816 PM CDT SAT JUL 13 1996 THE NATIONAL WEATHER SERVICE IN EASTERN NORTH DAKOTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 845 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST NORTH DAKOTA ...WESTERN WALSH COUNTY AT 8:15 PM CDT...WEATHER RADAR SHOWED A SEVERE THUNDERSTORM 8 MILES NORTHWEST OF ADAMS...OR 20 MILES SOUTHEAST OF LANGDON. THIS STORM IS MOVING TO THE SOUTHWEST AT 20 MPH AND WILL BE REACHING THE RAMSEY COUNTY LINE WEST OF ADAMS BY 8:45 PM. 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, 7:36 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 44 min |
| Jul 13, 7:57 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 48 min |
| Jul 13, 8:50 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 25 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.