Alert archive / North Dakota / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 21, NWS Grand Forks, ND

May 27, 2006Cavalier County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at May 27, 2006, 10:11 AM CDT for Cavalier County, North Dakota. It was in force for 34 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 27, 2006, 10:11 AM CDT (15:11 UTC)
Expired
May 27, 2006, 10:45 AM CDT
In force
34 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

County Cavalier County, ND

What was reported inside it

TimeReportWhereRemark
May 27, 10:11 AM CDTHAIL 0.754 W Dresden, ND
May 27, 10:26 AM CDTHAIL 0.752 Nw Vang, ND

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 3.2 hours before the alert went out and 278 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 2006-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 521 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 2006-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.193958Sfc1 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
521 J/kg
Mixed-layer CIN
-598 J/kg
Mixed-layer LCL
1311 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS53 KFGF 271511
SVRFGF
NDC019-271545-
/O.NEW.KFGF.SV.W.0021.060527T1511Z-060527T1545Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1011 AM CDT SAT MAY 27 2006

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAVALIER COUNTY IN NORTHEAST NORTH DAKOTA
  
* UNTIL 1045 AM CDT

* AT 1009 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.  THE
  STORM WAS LOCATED 3 MILES WEST OF DRESDEN...OR 9 MILES NORTHWEST OF
  LANGDON...MOVING TO THE NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  8 MILES NORTHWEST OF LANGDON AT 1015 AM CDT
  MOUNT CARMEL AT 1030 AM CDT
  8 MILES NORTHWEST OF VANG AT 1045 AM CDT

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

LAT...LON 4896 9894 4858 9888 4858 9798 4898 9799

$$

GODON
2 follow-up statements
000 
WWUS53 KFGF 271527
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1026 AM CDT SAT MAY 27 2006

NDC019-271545-
/O.CON.KFGF.SV.W.0021.000000T0000Z-060527T1545Z/
CAVALIER ND-
1026 AM CDT SAT MAY 27 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 AM CDT
FOR CAVALIER COUNTY...

AT 1017 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.  THE STORM
WAS LOCATED 6 MILES WEST OF VANG...OR 11 MILES NORTHEAST OF
LANGDON...MOVING TO THE NORTHEAST AT 20 MPH.

AN EARLIER STORM 4 MILES WEST OF DRESDEN PRODUCED DIME SIZED HAIL AT 
1011 AM. 

THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL NORTHEASTERN CAVALIER COUNTY AT 1040 AM CDT

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

LAT...LON 4896 9894 4858 9888 4858 9798 4898 9799

$$

GODON
000 
WWUS53 KFGF 271549
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1045 AM CDT SAT MAY 27 2006

NDC019-271545-
/O.EXP.KFGF.SV.W.0021.000000T0000Z-060527T1545Z/
CAVALIER ND-
1045 AM CDT SAT MAY 27 2006

...THE SEVERE THUNDERSTORM WARNING FOR CAVALIER COUNTY EXPIRED AT 
1045 AM CDT...

AT 1045 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THE THUNDERSTORMS OVER NORTHEAST CAVALIER COUNTY HAD WEAKENED. 
THEREFORE THE SEVERE THUNDERSTORM WARNING WAS ALLOWED TO EXPIRE. 

LAT...LON 4896 9894 4858 9888 4858 9798 4898 9799

$$

GODON

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 9:32 AM CDTSevere Thunderstorm WarningFGFTowner28 min
May 27, 9:44 AM CDTSevere Thunderstorm WarningFGFBenson31 min
May 27, 3:05 PM CDTFlash Flood WatchFGFBenson, Cavalier, Eddy, Nelson, Pembina, Ramsey and 2 more9 hr
May 27, 6:36 PM CDTSevere Thunderstorm WarningFGFTowner39 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2006Every severe thunderstorm warning in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.