Alert archive / Minnesota / Special Weather Statements in 2014

Special Weather Statement, NWS Twin Cities, MN

May 19, 2014Ramsey County, Washington County, Minnesota

NWS Twin Cities, MN issued this special weather statement at May 19, 2014, 2:21 PM CDT for Ramsey County, Washington County, Minnesota. It was in force for 39 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
May 19, 2014, 2:21 PM CDT (19:21 UTC)
Expired
May 19, 2014, 3:00 PM CDT
In force
39 min
Issued by
NWS Twin Cities, MN

Counties Ramsey County, MN, Washington County, MN

The radar

The Minneapolis radar (KMPX), 43 km from the middle of the area, began a volume at 19:23 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, 7.4 hours before the alert went out and 45 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 12:00Z on 2014-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2014-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 243 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1481 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
243 m²/s²
0-3 km storm-relative helicity
262 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.

994 
WWUS83 KMPX 191921
SPSMPX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
221 PM CDT MON MAY 19 2014

MNZ060-062-063-070-192000-
DAKOTA-HENNEPIN-RAMSEY-WASHINGTON-
221 PM CDT MON MAY 19 2014

AT 219 PM CDT...WEATHER SERVICE RADAR WAS TRACKING A STRONG
THUNDERSTORM NEAR RICHFIELD. THIS STORM WAS MOVING EAST AT 40 MPH.

HAIL UP TO DIME SIZE...WINDS UP TO 30 MPH...AND HEAVY DOWNPOURS ARE
EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  MSP INTL AIRPORT.
  FORT SNELLING.
  LILYDALE.
  ST PAUL AIRPORT.
  ST PAUL BATTLECREEK REGIONAL PARK.
  WOODBURY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER AND STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

&&

LAT...LON 4508 9283 4483 9280 4478 9334 4496 9340
TIME...MOT...LOC 1921Z 256DEG 34KT 4489 9324

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 6:14 AM CDTSevere Thunderstorm WarningMPXSwift46 min
May 19, 6:31 AM CDTSevere Thunderstorm WarningMPXStevens, Swift44 min
May 19, 7:31 AM CDTSpecial Weather StatementMPXKandiyohi44 min
May 19, 7:39 AM CDTSpecial Weather StatementMPXDouglas36 min
May 19, 7:47 AM CDTSevere Thunderstorm WarningMPXKandiyohi, Swift28 min
May 19, 12:32 PM CDTSpecial Weather StatementMPXCarver, Ramsey, Washington58 min
May 19, 1:53 PM CDTSpecial Weather StatementMPXDakota, Hennepin, Ramsey, Scott, Washington52 min
May 19, 3:20 PM CDTSpecial Weather StatementMPXAnoka, Hennepin, Ramsey, Washington55 min
May 19, 4:47 PM CDTSpecial Weather StatementMPXAnoka, Washington73 min
May 19, 4:56 PM CDTSpecial Weather StatementMPXChippewa, Dunn, Eau Claire79 min

Nearby

Special Weather Statements in Minnesota, 2014Every special weather statement in 2014

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.