Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 66, NWS Grand Forks, ND

July 4, 2012Beltrami County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 4, 2012, 1:52 PM CDT for Beltrami County, Minnesota. It was in force for 24 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: Jul 4, 2012, 1:52 PM CDT (18:52 UTC)
Expired: Jul 4, 2012, 2:16 PM CDT
In force: 24 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Beltrami County, MN

The radar

The Duluth radar (KDLH), 187 km from the middle of the area, began a volume at 18:52 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.

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, 6.9 hours before the alert went out and 152 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.

174 
WUUS53 KFGF 041852
SVRFGF
MNC007-041930-
/O.NEW.KFGF.SV.W.0066.120704T1852Z-120704T1930Z/

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

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

* UNTIL 230 PM CDT

* AT 149 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THE
  STORM WAS LOCATED 2 MILES WEST OF PENNINGTON...OR 17 MILES EAST OF
  BEMIDJI...MOVING TO THE EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF
  SOUTHEASTERN BELTRAMI COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4740 9442 4740 9461 4742 9472 4760 9463
      4757 9441 4752 9440 4741 9441
TIME...MOT...LOC 1852Z 285DEG 24KT 4748 9450
WIND...HAIL <50MPH 1.00IN

$$
SPEICHER

1 follow-up statement

598 
WWUS53 KFGF 041916
SVSFGF

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

MNC007-041926-
/O.CAN.KFGF.SV.W.0066.000000T0000Z-120704T1930Z/
BELTRAMI MN-
216 PM CDT WED JUL 4 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BELTRAMI COUNTY
IN NORTH CENTRAL MINNESOTA IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

LAT...LON 4740 9442 4740 9461 4742 9472 4760 9463
      4757 9441 4752 9440 4741 9441
TIME...MOT...LOC 1916Z 285DEG 24KT 4748 9424

$$
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, 1:01 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami	59 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.