Alert archive / Minnesota / Special Weather Statements in 2019

Special Weather Statement, NWS Twin Cities, MN

July 1, 2019Morrison County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jul 1, 2019, 6:56 AM CDT for Morrison County, Minnesota. It was in force for 2 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 1, 2019, 6:56 AM CDT (11:56 UTC)
Expired
Jul 1, 2019, 9:00 AM CDT
In force
2 hr
Issued by
NWS Twin Cities, MN

County Morrison County, MN

The radar

The Minneapolis radar (KMPX), 151 km from the middle of the area, began a volume at 11:57 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 00:00Z, 11.9 hours before the alert went out and 150 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, Minneapolis, MN at 00:00Z on 2019-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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, Minneapolis, MN at 00:00Z on 2019-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 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
6 J/kg
Mixed-layer CIN
-679 J/kg
Mixed-layer LCL
1770 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 1, 4:53 AM CDT, 2 hours 3 minutes earlier.

Area forecast discussion, Jul 1, 4:53 AM CDT, 2 hours 3 minutes before
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Hazardous weather outlook, Jul 1, 3:58 AM CDT, 2 hours 58 minutes before
Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
358 AM CDT Mon Jul 1 2019

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
020900-
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington-
Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota-
Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-
Waseca-Steele-Martin-Faribault-Freeborn-Polk-Barron-Rusk-
St. Croix-Pierce-Dunn-Pepin-Eau Claire-
358 AM CDT Mon Jul 1 2019

This Hazardous Weather Outlook is for portions of central and
southern Minnesota...and west central Wisconsin.

.DAY ONE...Today and Tonight

There is a Slight Risk of severe thunderstorms south of a line
from Redwood Falls to the Twin Cities to Eau Claire, with a
Marginal Risk of severe thunderstorms north of the Slight Risk
area to a line from Montevideo to Saint Cloud to Rice Lake. The
main hazards are damaging winds and large hail.

In addition, some thunderstorms may produce heavy rain which could
lead to localized flooding.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Periods of thunderstorms are expected for much of next week. The
potential for severe weather is low at this time.

.SPOTTER INFORMATION STATEMENT...

SKYWARN spotter activation may be needed this afternoon into
tonight.

In the hours before

Local storm report, Jul 1, 1:42 AM CDT, 5 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
142 AM CDT MON JUL 1 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1138 PM     TSTM WND DMG     LESTER PRAIRIE          44.88N 94.04W
06/30/2019                   MCLEOD             MN   911 CALL CENTER

            TWO FOOT DIAMETER TREE DOWN.

&&
Local storm report, Jul 1, 1:43 AM CDT, 5 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
143 AM CDT MON JUL 1 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1130 PM     TSTM WND DMG     GLENCOE                 44.77N 94.15W
06/30/2019                   MCLEOD             MN   911 CALL CENTER

            NUMEROUS TREES DOWN ON HOUSES AND VEHICLES.
            POWER LINES DOWN.

&&

BORGHOFF
Local storm report, Jul 1, 1:46 AM CDT, 5 hours 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
146 AM CDT MON JUL 1 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1135 PM     TSTM WND DMG     ARLINGTON               44.61N 94.08W
06/30/2019                   SIBLEY             MN   911 CALL CENTER

            LARGE TREE BRANCHES DOWN.

&&

BORGHOFF
Special weather statement, Jul 1, 2:10 AM CDT, 4 hours 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Twin Cities/Chanhassen MN
210 AM CDT Mon Jul 1 2019

MNC127-129-173-011000-
Redwood-Yellow Medicine-Renville-
210 AM CDT Mon Jul 1 2019

...URBAN AND SMALL STREAM FLOODING EXPECTED...

Thunderstorms with heavy rain will cause minor flooding in the
following counties...

Redwood...Yellow Medicine...Renville...

* Until 500 AM CDT.

* At 206 AM CDT, Doppler radar indicated heavy rain from
  thunderstorms training over the same area. Around an inch of rain
  has fallen from these storms in the last hour, in addition to the
  3-4 inches of rainfall that has already fallen earlier this
  afternoon/evening across portions of this area. Areas of urban and
  small stream flooding are expected through sunrise, especially
  in low-lying areas.

* Some locations that will experience flooding include...
  Redwood Falls, Canby, Fairfax, Hector, Bird Island, Franklin, Wood
  Lake, Morton, Hanley Falls, Echo, Porter and Belview.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 4475 9645 4478 9644 4475 9463 4446 9463
      4446 9480 4449 9484 4446 9487 4449 9559
      4463 9563 4463 9645

ETA
Special weather statement, Jul 1, 3:55 AM CDT, 3 hours 1 minute before
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
355 AM CDT Mon Jul 1 2019

MNZ065>067-069-074>076-083-010945-
Le Sueur-Brown-Blue Earth-McLeod-Sibley-Renville-Scott-Nicollet-
355 AM CDT Mon Jul 1 2019

...A STRONG THUNDERSTORM WILL AFFECT WESTERN LE SUEUR...SIBLEY...
SOUTHWESTERN SCOTT...SOUTHWESTERN MCLEOD...BROWN...NORTHERN BLUE
EARTH...SOUTHEASTERN RENVILLE AND NICOLLET COUNTIES...

At 353 AM CDT, a strong thunderstorm was located near New Ulm, moving
east at 45 mph.

Wind gusts of 50 to 55 mph and pea size hail are possible with this
storm.

Locations impacted include...
Mankato, New Ulm, North Mankato, St. Peter, Belle Plaine, Le Sueur,
Sleepy Eye, Lake Crystal, Eagle Lake, Gaylord, Arlington and
Winthrop.

This includes the following highways...
 U.S. Highway 14 between mile markers 78 and 140.
 U.S. Highway 169 between mile markers 45 and 84.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 4412 9503 4428 9492 4428 9486 4437 9487
      4472 9463 4467 9377 4464 9376 4409 9385
TIME...MOT...LOC 0853Z 279DEG 39KT 4436 9442

ETA
Special weather statement, Jul 1, 6:56 AM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Twin Cities/Chanhassen MN
656 AM CDT Mon Jul 1 2019

MNC097-153-011400-
Todd-Morrison-
656 AM CDT Mon Jul 1 2019

...URBAN AND SMALL STREAM FLOODING EXPECTED...

Thunderstorms with heavy rain will cause minor flooding in the
following counties...

Todd...Morrison...

* Until 900 AM CDT.

* At 656 AM CDT, Doppler radar indicated heavy rain from
  thunderstorms over the advisory area. 1 to 3 inches of rain has
  fallen in the last two hours, which may result in areas of urban
  and small stream flooding.

* Some locations that will experience flooding include...
  Little Falls, Long Prairie, Randall, Camp Ripley, Lake Osakis,
  Round Prairie, Harding and Camp Ripley Junction.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

LAT...LON 4616 9405 4610 9404 4583 9513 4593 9514
      4616 9433

ETA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 7:58 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville, Yellow Medicine31 min
Jun 30, 10:17 PM CDTSpecial Weather StatementMPXRedwood, Renville43 min
Jun 30, 10:29 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville46 min
Jun 30, 10:50 PM CDTSevere Thunderstorm WarningMPXBrown, McLeod, Nicollet, Renville, Sibley40 min
Jun 30, 10:56 PM CDTTornado WarningMPXMcLeod, Renville, Sibley34 min
Jun 30, 11:29 PM CDTSevere Thunderstorm WarningMPXCarver, McLeod, Sibley46 min
Jun 30, 11:54 PM CDTSevere Thunderstorm WarningMPXHennepin, Scott32 min
Jul 1, 12:22 AM CDTSpecial Weather StatementMPXDakota, Goodhue, Ramsey, Rice, Washington38 min
Jul 1, 12:42 AM CDTSevere Thunderstorm WarningMPXDakota, Goodhue33 min
Jul 1, 1:56 AM CDTFlash Flood WatchMPXBlue Earth, Brown, Carver, Chippewa, Dakota, Freeborn and 13 more7 hr
Jul 1, 2:10 AM CDTSpecial Weather StatementMPXRenville, Yellow Medicine3 hr
Jul 1, 2:42 AM CDTSevere Thunderstorm WarningMPXRedwood, Renville, Yellow Medicine33 min
Jul 1, 3:55 AM CDTSpecial Weather StatementMPXBrown, Nicollet, Sibley50 min
Jul 1, 4:37 AM CDTFlash Flood WarningMPXRedwood, Renville, Yellow Medicine3 hr
Jul 1, 7:01 AM CDTRiver Flood WarningMPXRenville24 days
Jul 1, 7:31 AM CDTAreal Flood WarningMPXBrown, Redwood, Renville, Sibley, Yellow Medicine9 hr
Jul 1, 9:41 AM CDTRiver Flood WarningMPXBrown7 days
Jul 1, 9:41 AM CDTRiver Flood WarningMPXBrown6 days
Jul 1, 9:41 AM CDTRiver Flood WarningMPXChippewa, Lac qui Parle, Yellow Medicine24 days
Jul 1, 9:41 AM CDTRiver Flood WarningMPXRedwood21 days
Jul 1, 1:34 PM CDTFlash Flood WatchMPXBlue Earth, Brown, Dakota, Faribault, Freeborn, Goodhue and 11 more7 hr
Jul 1, 3:27 PM CDTSevere Thunderstorm WarningMPXWatonwan50 min
Jul 1, 3:30 PM CDTSpecial Weather StatementMPXWaseca30 min
Jul 1, 3:36 PM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn54 min
Jul 1, 4:09 PM CDTTornado WarningMPXFreeborn36 min
Jul 1, 4:16 PM CDTSpecial Weather StatementMPXBlue Earth, Martin29 min
Jul 1, 4:21 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Nicollet39 min
Jul 1, 4:45 PM CDTTornado WarningMPXFreeborn45 min
Jul 1, 5:04 PM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn, Steele, Waseca45 min

Nearby

Special Weather Statements in Minnesota, 2019Every 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.