Alert archive / North Dakota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 65, NWS Grand Forks, ND

June 19, 2001Cavalier County, Ramsey County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 19, 2001, 2:00 PM CDT for Cavalier County, Ramsey County, North Dakota. It was in force for 30 min. 4 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Jun 19, 2001, 2:00 PM CDT (19:00 UTC)
Expired
Jun 19, 2001, 2:30 PM CDT
In force
30 min
Issued by
NWS Grand Forks, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Cavalier County, ND, Ramsey County, ND

What was reported inside it

TimeReportWhereRemark
Jun 19, 2:10 PM CDTHail 0.88Alsen, ND
Jun 19, 2:18 PM CDTHail 0.75Loma, ND
Jun 19, 2:20 PM CDTHail 0.75Hampden, ND
Jun 19, 2:38 PM CDTHail 1Edmore, 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, 7.0 hours before the alert went out and 254 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 2001-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 12:00Z on 2001-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1262 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
93 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 
WUUS53 KFGF 191900
SVRFAR
NDC019-071-191930-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
200 PM CDT TUE JUN 19 2001

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL CAVALIER COUNTY IN NORTHEAST NORTH DAKOTA...
  NORTHEASTERN RAMSEY COUNTY IN NORTHEAST NORTH DAKOTA...

* UNTIL 230 PM CDT

* AT 154 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 2 MILES SOUTHWEST OF ALSEN...OR ABOUT 20 MILES
  SOUTHWEST OF LANGDON...MOVEMENT WAS TO THE SOUTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  HAMPDEN AT 205 PM CDT...
  LOMA AT 210 PM CDT...
  DERRICK AT 220 PM CDT...
  NEKOMA AT 225 PM CDT...

REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

LAT...LON 4871 9875 4855 9887 4841 9853 4860 9836

@
$$
HOPPES


NNNN

What 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.

NWS Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 19, 1:55 PM CDT, 5 minutes earlier.

Area forecast discussion, Jun 19, 1:55 PM CDT, 5 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
155 PM CDT TUE JUN 19 2001

...FORECAST CHALLENGE CENTERS ON EARLY POP THREAT AND THEN BUILDING
UPPER LEVEL RIDGE AND RESULTANT TEMPERATURES...

.CURRENT OBSERVATIONAL OVERVIEW...
18Z MSAS ANALYSIS DEPICTED STRONG LOW PRESSURE JUST TO THE NORTH OF
THE UPPER GREAT LAKES. FEATURE IS CIRCULATING RESIDUAL LOW-LEVEL
CYCLONIC CURVATURE OVER REGION WITH EMBEDDED WEAK TROUGHS DROPPING
SOUTHEAST FROM SASK PROVINCE INTO NORTH DAKOTA AND MINNESOTA. LATEST
SATELLITE IMAGERY INDICATED READINGS APPROACHING CONVECTIVE
TEMPERATURE WITH CU FIELDS STARTING TO FIRE UP.

.FORECAST DETAILS...
MODELS INDICATE UPPER LEVEL FLOW PATTERN TO UNDERGO SOME CHANGES
LATE IN THE SHORT TERM PERIOD AS 500MB RIDGING OUT WEST SLOWLY
PUSHES EAST INTO THE PLAINS. PERIODIC PIECES OF SHORTWAVE ENERGY
EMBEDDED IN NORTHWEST FLOW ALOFT THROUGH SHORT TERM SHOULD LEAD TO
LINGERING DIURNALLY DRIVEN SCATTERED CONVECTION THIS EVENING PER
EXAMINATION OF 500MB TEMPERATURE FIELDS AND MID-LEVEL LAPSE RATES.
WEDNESDAY AND THURSDAY THINGS QUIET DOWN AS ANY LOW-LEVEL FORCING
MECHANISM CEASE AND MID AND UPPER LEVEL HIGH PRESSURE SETS SIGHTS
ON NATIONS MID-SECTION. AS RIDGE INCHES CLOSER ON THURSDAY THE
RESULTANT WILL BE NOTICEABLE TEMPERATURE MODIFICATION ALONG WITH
OVERALL DRYING THROUGH COLUMN.

.EXTENDED...
TRENDS ARE SIMILAR WITH THE MRF AND THE AVN THROUGH THE EXTENDED
PERIOD. RIDGE CONTINUES TO STRENGTHEN EARLY ON IN THE EXTENDED.
HOWEVER...BY SATURDAY...RIDGE RIDERS INTO SOUTHERN CANADA WILL SWING
SURFACE TROF INTO THE VICINITY OF THE RED RIVER. THIS MAY PRODUCE AN
ISOLATED TSRA. THE BOUNDARY DOESN'T MOVE THAT FAR SOUTH AND WILL
ALREADY BE HEADING BACK TO THE NORTH BY SUNDAY AS LOW PRESSURE
DEEPENS IN THE FRONT RANGE OF THE ROCKIES. LOW PRESSURE FORECAST TO
MOVE THROUGH THE CWFA THROUGH MONDAY CAUSING SHOWERS AND
THUNDERSTORMS. TEMPERATURES WILL WARM NICELY THROUGH THE EARLY PART
OF THE WEEKEND AND THEN HOLD STEADY OR DROP A FEW DEGREES WITH THE
SHRA AND TSRA ACTIVITY.

.FGF...NONE

BERG/BRAZZELL

*

In the hours before

Special weather statement, Jun 19, 8:03 AM CDT, 5 hours 57 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024-
026>030-038-039-049-052>054-201400-

SPECIAL WEATHER STATEMENT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
803 AM CDT TUE JUN 19 2001

...NO SEVERE WEATHER IS EXPECTED ACROSS EASTERN NORTH DAKOTA OR
NORTHWESTERN MINNESOTA TODAY...

SYNOPSIS...A WEAK UPPER LEVEL DISTURBANCE WILL PASS ACROSS THE
REGION TODAY WHILE A FRONT BEGINS TO LIFT NORTHEAST TOWARD EASTERN
NORTH DAKOTA AND NORTHWEST MINNESOTA DURING THE AFTERNOON AND
EVENING. SCATTERED SHOWERS AND THUNDERSTORMS WILL SPREAD OVER THE
AREA TODAY...HOWEVER A LACK OF STRONG INSTABILITY WILL LIMIT THE
POTENTIAL FOR SEVERE WEATHER.

RJT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 1:23 PM CDTSevere Thunderstorm WarningFGFCavalier37 min
Jun 19, 2:33 PM CDTSevere Thunderstorm WarningFGFRamsey, Walsh27 min
Jun 19, 3:00 PM CDTSevere Thunderstorm WarningFGFWalsh45 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2001Every severe thunderstorm warning in 2001

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.