Alert archive / North Dakota / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 63, NWS Grand Forks, ND

June 27, 2003Barnes County, Cass County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 27, 2003, 5:42 PM CDT for Barnes County, Cass County, North Dakota. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 27, 2003, 5:42 PM CDT (22:42 UTC)
Expired
Jun 27, 2003, 6:30 PM CDT
In force
48 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

Counties Barnes County, ND, Cass County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 71 km from the middle of the area, began a volume at 22:41 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 27, 2:25 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 10.7 hours before the alert went out and 228 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 2003-06-27Temperature 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°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 2003-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1892 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
139 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.

784 
WUUS53 KFGF 272242
SVRFGF
NDC003-017-272330-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
542 PM CDT FRI JUN 27 2003

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  EAST BARNES COUNTY IN SOUTHEAST NORTH DAKOTA AND 
  WEST CASS COUNTY IN SOUTHEAST NORTH DAKOTA.

* UNTIL 630 PM CDT.

* AT 536 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE
  LEADING EDGE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 15
  MILES NORTHEAST OF VALLEY CITY TO 9 MILES EAST OF VALLEY CITY TO 2
  MILES NORTHWEST OF VALLEY CITY...MOVEMENT WAS TO THE SOUTHEAST AT
  20 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...

  ORISKA AT 545 PM...
  TOWER CITY AT 555 PM...
  BUFFALO AT 610 PM AND
  FINGAL AT 620 PM.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM FRIDAY
EVENING FOR WEST CENTRAL MINNESOTA AND SOUTHEAST NORTH DAKOTA.

LAT...LON 4718 9778 4700 9788 4698 9825 4667 9769
          4669 9735 4690 9724

$$
8/DK

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 27, 1:50 PM CDT, 3 hours 52 minutes earlier.

Area forecast discussion, Jun 27, 1:50 PM CDT, 3 hours 52 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
150 PM CDT FRI JUN 27 2003

FORECAST CONCERNS WILL BE CONVECTIVE CHANCES AND TEMPS

.OVERVIEW...
SFC BOUNDARY AND UPPER LEVEL ENERGY CONTINUE TO PUSH SOUTHEAST INTO
WESTERN FORECAST AREA. THUNDERSTORMS STARTING TO DEVELOP ACROSS MOST
OF CENTRAL INTO SOUTHEASTERN ND. MODELS IN GENERALLY GOOD AGREEMENT AND
LIKE ETA MOISTURE/TEMPS PROFILES SO WILL USE.

.TONIGHT...
WITH UPPER LEVEL VORTICITY MAXIMUM AND JET ENERGY OVERSPREADING
REGION TONIGHT...THUNDER WILL BE LIKELY EVERYWHERE TONIGHT WITH
FAVORABLE PARAMETERS FOR SEVERE STORMS AS WELL. SEVERE STORMS
POSSIBLE UNTIL AROUND 06Z...AND WILL WORD AS SUCH IN GRIDS.
TEMPS TO FALL INTO MID 50S EAST AND NEAR 50 FAR NORTHWEST.

.SATURDAY THROUGH MONDAY...
EXPECT CONTINUE CYCLONIC FLOW AND LI/S BY AFTERNOON AROUND -3C...SO
WILL MENTION THUNDER CHANCES ALL DAY IN EAST AND EVERYWHERE IN
AFTERNOON WITH TEMPS RISING INTO LOW/MID 70S WITH WARMER TEMPS
ALOFT. WEATHER PATTERN SHOULD DRY OUT SAT NIGHT THROUGH
MONDAY...WITH WARMING TREND ABOVE NORMAL BY MONDAY WITH BUILDING
RIDGE.

.EXTENDED...
REASONABLE AGREEMENT BETWEEN EXTENDED MODELS AND CONTINUITY BETWEEN
GFS UNTIL LATE. MID LEVEL RIDGE FLATTENS EARLY TRANSITIONING FA
IN SW/ZONAL FLOW THROUGH REMAINDER OF PERIOD. SFC BOUNDARY SETTING
UP FROM S MB TO WESTERN HIGH PLAINS TUESDAY. MID LEVEL SUPPORT LOOKS
WEAK WITH FAVORED AREA ACROSS NORTH. BETTER CHANCES WEDNESDAY AS SFC
BOUNDARY PUSHES THROUGH WITH MORE SIGNIFICANT WAVE...AGAIN MAIN
ENERGY LOOKS TO BE ACROSS SOUTHERN CANADA. THERMAL RIDGE PEAKS PRIOR
TO FROPA WITH FALLING THICKNESS/850MB TEMPS THEREAFTER.

.FGF...NONE

KELLENBENZ/VOELKER
Hazardous weather outlook, Jun 27, 6:05 AM CDT, 11 hours 37 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024-
026>030-038-039-049-052>054-271300-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
605 AM CDT FRI JUN 27 2003

...A SLIGHT RISK OF SEVERE WEATHER EXISTS ACROSS EASTERN NORTH
DAKOTA...NORTHWEST AND WEST CENTRAL MINNESOTA TODAY AND TONIGHT...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NORTH DAKOTA...WEST
CENTRAL AND NORTHWEST MINNESOTA.

.DAY ONE...TODAY AND TONIGHT

A SLIGHT RISK OF SEVERE WEATHER EXISTS FOR EASTERN NORTH DAKOTA...
NORTHWEST AND WEST CENTRAL MINNESOTA TODAY AND TONIGHT. THE MAIN
SEVERE WEATHER THREATS ARE LARGE HAIL AND DAMAGING WINDS. IN
ADDITION...THERE IS THE POTENTIAL FOR ISOLATED TORNADOS. THE
THUNDERSTORMS ARE EXPECTED TO DEVELOP IN CENTRAL NORTH DAKOTA THIS
AFTERNOON...TRACK INTO EASTERN NORTH DAKOTA BY LATE AFTERNOON...AND
THEN MOVE INTO NORTHWEST AND WEST CENTRAL MINNESOTA THIS EVENING.

A STRONG UPPER LEVEL DISTURBANCE IN CONJUNCTION WITH AN AREA OF LOW
PRESSURE AND ITS ASSOCIATED FRONTAL BOUNDARY WILL MOVE THROUGH THE
AREA TODAY AND TONIGHT...PROVIDING THE FOCUS FOR THUNDERSTORM
DEVELOPMENT...SOME OF WHICH COULD BE SEVERE.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THERE IS A CHANCE FOR THUNDERSTORMS IN ALL BUT SOUTHEASTERN NORTH
DAKOTA ON SATURDAY...AND FOR THE WHOLE AREA FROM TUESDAY AFTERNOON
THROUGH WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON INTO TONIGHT.

FOR ADDITIONAL WEATHER INFORMATION, CHECK OUR WEB SITE AT
HTTP://WWW.CRH.NOAA.GOV/FGF/INDEX.HTML (ALL LOWER CASE)

NG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 5:20 PM CDTTornado WarningFGFSargent40 min
Jun 27, 6:20 PM CDTSevere Thunderstorm WarningFGFTowner25 min
Jun 27, 6:47 PM CDTTornado WarningFGFTowner43 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2003Every severe thunderstorm warning in 2003

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.