Alert archive / Minnesota / Special Weather Statements in 2019

Special Weather Statement, NWS Twin Cities, MN

July 20, 2019Steele County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jul 20, 2019, 2:41 PM CDT for Steele County, Minnesota. It was in force for 3 hr. 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 20, 2019, 2:41 PM CDT (19:41 UTC)
Expired: Jul 20, 2019, 5:45 PM CDT
In force: 3 hr
Issued by: NWS Twin Cities, MN

County Steele County, MN

The radar

The Minneapolis radar (KMPX), 75 km from the middle of the area, began a volume at 19:44 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 7.7 hours before the alert went out and 75 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1482 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 291 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Twin Cities, MN wrote its last area forecast discussion before this special weather statement went out at Jul 20, 1:38 PM CDT, 1 hour 3 minutes earlier.

Area forecast discussion, Jul 20, 1:38 PM CDT, 1 hour 3 minutes before

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Hazardous weather outlook, Jul 20, 12:35 PM CDT, 2 hours 6 minutes before

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In the hours before

Special weather statement, Jul 20, 12:19 PM CDT, 2 hours 22 minutes before

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1219 PM CDT Sat Jul 20 2019

MNZ091-092-201815-
Martin-Faribault-
1219 PM CDT Sat Jul 20 2019

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN FARIBAULT AND
MARTIN COUNTIES...

At 1219 PM CDT, a strong thunderstorm was located near Ceylon, or 11
miles northeast of Estherville, moving east at 35 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Fairmont, Sherburn, Welcome, Ceylon, Granada, East Chain, Northrop,
Dunnell, Fairmont Airport, Imogene, Wilbert and Foxlake.

This includes Interstate 90 between mile markers 82 and 114.

To report severe weather, contact your nearest law enforcement
agency. They can relay your report to the National Weather Service
office in The Twin Cities.

LAT...LON 4351 9485 4370 9485 4382 9425 4350 9416
TIME...MOT...LOC 1719Z 259DEG 32KT 4354 9472

CTG

Local storm report, Jul 20, 12:24 PM CDT, 2 hours 17 minutes before

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Local storm report, Jul 20, 12:28 PM CDT, 2 hours 13 minutes before

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Local storm report, Jul 20, 1:59 PM CDT, 42 minutes before

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Local storm report, Jul 20, 2:13 PM CDT, 28 minutes before

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Special weather statement, Jul 20, 2:41 PM CDT, 0 minutes before

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The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 20, 6:09 AM CDT	Special Weather Statement	MPX	Blue Earth, Brown, Redwood, Watonwan	66 min
Jul 20, 6:22 AM CDT	Special Weather Statement	MPX	Lac qui Parle	23 min
Jul 20, 6:25 AM CDT	Special Weather Statement	MPX	Nicollet	50 min
Jul 20, 6:32 AM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Nicollet, Sibley	43 min
Jul 20, 6:55 AM CDT	Special Weather Statement	MPX	Le Sueur	35 min
Jul 20, 7:03 AM CDT	Special Weather Statement	MPX	Steele	27 min
Jul 20, 7:21 AM CDT	Special Weather Statement	MPX	Blue Earth	24 min
Jul 20, 7:32 AM CDT	Special Weather Statement	MPX	Le Sueur	58 min
Jul 20, 7:35 AM CDT	Special Weather Statement	MPX	Goodhue	40 min
Jul 20, 7:56 AM CDT	Special Weather Statement	MPX	Steele, Waseca	49 min
Jul 20, 8:00 AM CDT	Special Weather Statement	MPX	Carver, Hennepin	45 min
Jul 20, 8:35 AM CDT	Special Weather Statement	MPX	Anoka, Ramsey, Washington	40 min
Jul 20, 8:52 AM CDT	Special Weather Statement	MPX	Brown, Redwood, Renville	38 min
Jul 20, 9:19 AM CDT	Severe Thunderstorm Warning	MPX	Brown, Martin, Watonwan	56 min
Jul 20, 9:33 AM CDT	Special Weather Statement	MPX	Ramsey	27 min
Jul 20, 9:45 AM CDT	Special Weather Statement	MPX	Nicollet, Sibley	45 min
Jul 20, 10:01 AM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Martin, Nicollet, Waseca	44 min
Jul 20, 10:18 AM CDT	Special Weather Statement	MPX	Carver, Dakota, Le Sueur, Rice, Scott	42 min
Jul 20, 10:34 AM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur, Rice, Steele, Waseca	41 min
Jul 20, 10:41 AM CDT	Severe Thunderstorm Warning	MPX	Faribault, Freeborn	64 min
Jul 20, 10:58 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue, Rice, Steele	47 min
Jul 20, 12:03 PM CDT	Special Weather Statement	MPX	Blue Earth, Steele, Waseca	87 min
Jul 20, 12:19 PM CDT	Special Weather Statement	MPX	Martin	56 min
Jul 19, 7:06 PM CDT	Special Weather Statement	MPX	Barron	84 min
Jul 19, 7:28 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Dunn, Polk, Saint Croix	47 min
Jul 19, 7:53 PM CDT	Special Weather Statement	MPX	Dunn	82 min
Jul 20, 8:24 AM CDT	Special Weather Statement	MPX	Dunn, Pierce	51 min
Jul 20, 11:52 AM CDT	Special Weather Statement	MPX	Chippewa, Eau Claire, Pepin	53 min

Nearby

Special Weather Statements in Minnesota, 2019 Every special weather statement in 2019

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.