Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 65, NWS Grand Forks, ND

July 4, 2012Beltrami County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 4, 2012, 1:01 PM CDT for Beltrami County, Minnesota. It was in force for 59 min. 1 report 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: Jul 4, 2012, 1:01 PM CDT (18:01 UTC)
Expired: Jul 4, 2012, 2:00 PM CDT
In force: 59 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 70.0 mph

County Beltrami County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 186 km from the middle of the area, began a volume at 18:03 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 4, 1:25 PM CDT	TSTM WND DMG	4 N Bemidji, MN	REPORTS OF TREES DOWN ON NORTH SIDE OF LAKE BEMIDJI.

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

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 4, 8:10 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 6.0 hours before the alert went out and 148 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 113 J/kg
Mixed-layer CIN: -490 J/kg
Mixed-layer LCL: 1552 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 101 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.

417 
WUUS53 KFGF 041801
SVRFGF
MNC007-041900-
/O.NEW.KFGF.SV.W.0065.120704T1801Z-120704T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
101 PM CDT WED JUL 4 2012

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL BELTRAMI COUNTY IN NORTH CENTRAL MINNESOTA...

* UNTIL 200 PM CDT

* AT 1258 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 70 MPH. THE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 10 MILES SOUTHEAST OF WASKISH
  TO 4 MILES NORTHWEST OF FUNKLEY TO 5 MILES WEST OF TURTLE RIVER...
  MOVING TO THE EAST AT 40 MPH.

* SEVERE THUNDERSTORMS WILL AFFECT MAINLY RURAL AREAS OF CENTRAL
  BELTRAMI COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4749 9519 4759 9519 4818 9480 4818 9441
      4749 9440
TIME...MOT...LOC 1801Z 271DEG 37KT 4809 9429 4782 9445
          4761 9482
WIND...HAIL 70MPH 1.00IN

$$
SPEICHER

2 follow-up statements

791 
WWUS53 KFGF 041829
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
129 PM CDT WED JUL 4 2012

MNC007-041900-
/O.CON.KFGF.SV.W.0065.000000T0000Z-120704T1900Z/
BELTRAMI MN-
129 PM CDT WED JUL 4 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
BELTRAMI COUNTY IN NORTH CENTRAL MINNESOTA UNTIL 200 PM CDT...

AT 126 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 70 MPH.  THE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM NEAR SHOOKS TO 5 MILES SOUTHEAST
OF BLACKDUCK TO 3 MILES SOUTHEAST OF LAVINIA...MOVING TO THE EAST AT
35 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF SOUTHEASTERN BELTRAMI COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4749 9490 4759 9501 4793 9480 4797 9441
      4749 9440
TIME...MOT...LOC 1828Z 271DEG 37KT 4789 9440 4768 9444
          4749 9473
WIND...HAIL 70MPH 1.00IN

$$
SPEICHER

114 
WWUS53 KFGF 041844
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
144 PM CDT WED JUL 4 2012

MNC007-041900-
/O.CON.KFGF.SV.W.0065.000000T0000Z-120704T1900Z/
BELTRAMI MN-
144 PM CDT WED JUL 4 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
BELTRAMI COUNTY IN NORTH CENTRAL MINNESOTA UNTIL 200 PM CDT...

AT 140 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 70 MPH.  THE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 11 MILES NORTHEAST OF SCHLEY TO 9
MILES SOUTHEAST OF SCHLEY TO NEAR WALKER...MOVING TO THE EAST AT 35
MPH.

LOCATIONS IMPACTED INCLUDE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4749 9478 4757 9479 4776 9474 4778 9441
      4749 9440
TIME...MOT...LOC 1844Z 271DEG 37KT 4747 9417 4726 9424
          4709 9455
WIND...HAIL 70MPH 1.00IN

$$
SPEICHER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 4, 4:12 AM CDT	Heat Advisory	FGF	Becker, Beltrami, Clay, Clearwater, Grant, Hubbard and 12 more	18 hr
Jul 4, 7:54 AM CDT	Severe Thunderstorm Warning	FGF	Kittson, Marshall	66 min
Jul 4, 8:58 AM CDT	Severe Thunderstorm Warning	FGF	Kittson, Marshall, Roseau	62 min
Jul 4, 9:56 AM CDT	Severe Thunderstorm Warning	FGF	Marshall, Roseau	64 min
Jul 4, 10:08 AM CDT	Severe Thunderstorm Warning	FGF	Polk	67 min
Jul 4, 10:36 AM CDT	Severe Thunderstorm Warning	FGF	Marshall, Pennington, Polk	54 min
Jul 4, 11:27 AM CDT	Special Weather Statement	FGF	Pennington	63 min
Jul 4, 12:02 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Lake of the Woods	43 min
Jul 4, 1:52 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami	24 min
Jul 4, 4:55 PM CDT	Special Weather Statement	FGF	Hubbard	50 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2012 Every severe thunderstorm warning in 2012

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; radar from the NEXRAD Level II archive.