Alert archive / North Dakota / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 13, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 23, 1993, 6:59 PM CDT for Sargent County, North Dakota. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Jun 23, 1993, 6:59 PM CDT (23:59 UTC)
- Expired
- Jun 23, 1993, 8:00 PM CDT
- In force
- 61 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Sargent County, ND
The nearest sounding before it
Aberdeen, SD (KHON), launched 12:00Z, 12.0 hours before the alert went out and 147 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
- 7 J/kg
- Mixed-layer CIN
- -300 J/kg
- Mixed-layer LCL
- 700 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KFAR 232359 RRA
SVRFAR
NDC081-240100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FARGO ND
659 PM CDT WED JUN 23 1993
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE SOUTHEAST PART OF NORTH DAKOTA
SARGENT
AT 0655 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 60 MILES SOUTH
OF VALLEY CITY NORTH DAKOTA MOVING NORTH AT 35 MILES AN HOUR. SOME
TOWNS INCLUDED IN THIS ARE FORMAN AND GWINNER NORTH DAKOTA.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.
ANDERSENWhat forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 23, 1:41 PM CDT, 5 hours 18 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013- 231935- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 133 PM CDT WED JUN 23 1993 ...STRONG THUNDERSTORMS FIREUP OVER CENTRAL AND NORTH CENTRAL MINNESOTA... AT 129 PM CDT STRONG THUNDERSTORMS HAD DEVELOPED ACROSS PARTS OF CENTRAL AND NORTH CENTRAL MINNESOTA. THESE THUNDERSTORMS REACHED FROM JUST NORTHEAST OF WILLMAR TO THE NORTH OF BRAINERD. THE STRONGEST STORMS WERE JUST NORTH OF STAPLES AND IN THE NISSWA AREA. MOVEMENT WAS NORTHEAST AT 35 MILES AN HOUR AND THIS MOVEMENT WILL TAKE THE STORMS WELL INTO CASS COUNTY BY 200 PM CDT. PEOPLE IN THE PATH OF THESE STORMS SHOULD BE ALERT AND WATCH FOR THREATNING WEATHER AND BE PREPARED TO GO TO SAFE SHELTER. BENNETT
Special weather statement, Jun 23, 6:41 PM CDT, 18 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-240030- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 635 PM CDT WED JUN 23 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR A LARGE PORTION OF EASTERN NORTH DAKOTA UNTIL MIDNIGHT... AT 625 PM CDT...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN CONTINUE TO DEVELOP OVER SOUTHEAST NORTH DAKOTA...NORTH- EAST SOUTH DAKOTA AND A PORTION OF NORTH CENTRAL MINNESOTA. THE STRONGEST THUNDERSTORMS...WITH VERY HEAVY RAIN WERE GENERALLY OVER NORTHEAST SOUTH DAKOTA FROM AROUND ABERDEEN TO NORTHEAST OF ABERDEEN NEAR BRITTON. THUNDERSTORMS WITH HEAVY RAIN WERE ALSO OVER SOUTHEAST NORTH DAKOTA MAINLY OVER RANSOM COUNTY...WEST AND SOUTHEAST OF LISBON. ANOTHER AREA OF SCATTERED THUNDERSTORMS WAS OVER NORTH CENTRAL MINNESOTA FROM AROUND BEMIDJI...NORTHWARD TO THE RAINY RIVER EAST OF BAUDETTE ALONG THE INTERNATIONAL BORDER. THESE SHOWERS AND THUNDERSTORMS WERE ALL MOVING NORTH-NORTHEAST AT 35 MILES AN HOUR AND AREAL COVERAGE HAD INCREASED SINCE 530 PM. LARGE HAIL...DAMAGING WINDS...DANGEROUS LIGHTNING AND VERY HEAVY RAIN ARE ALL POSSIBLE WITH THESE THUNDERSTORMS. SPIES
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 9:48 PM CDT | Tornado Warning | FGF | Griggs | 57 min |
| Jun 22, 10:40 PM CDT | Severe Thunderstorm Warning | FGF | Dickey | 65 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 1993Every severe thunderstorm warning in 1993
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.