Alert archive / South Dakota / High Wind Warnings in 2014

High Wind Warning 9, NWS Rapid City, SD

February 20, 20148 counties in South Dakota

NWS Rapid City, SD issued this high wind warning at Feb 20, 2014, 2:48 AM MST for 8 counties in South Dakota. It took effect at Feb 20, 2014, 5:00 AM MST. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Feb 20, 2014, 2:48 AM MST (09:48 UTC)
In effect from: Feb 20, 2014, 5:00 AM MST
Expired: Feb 20, 2014, 5:00 PM MST
In force: 12 hr
Issued by: NWS Rapid City, SD

Counties Butte County, SD, Haakon County, SD, Harding County, SD, Lawrence County, SD, Meade County, SD, Pennington County, SD, Perkins County, SD, Ziebach County, SD

The radar

The Rapid City radar (KUDX), 72 km from the middle of the area, began a volume at 09:52 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.

What forecasters said that day

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

NWS Rapid City, SD wrote its last area forecast discussion before this high wind warning went out at Feb 19, 9:45 PM MST, 5 hours 3 minutes earlier.

Area forecast discussion, Feb 19, 9:45 PM MST, 5 hours 3 minutes before

AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY
NATIONAL WEATHER SERVICE RAPID CITY SD
945 PM MST WED FEB 19 2014

.UPDATE...
ISSUED AT 626 PM MST WED FEB 19 2014

HAVE RAISED POPS TO HIGH SCT FOR THE PLAINS OF WRN/CNTRL SD EAST
OF THE BLKHLS. COOLING CLOUDS TOPS ARE SPREADING NEWD OUT OF WY
INTO WRN SD AND RADAR RETURNS HAVE BEEN ON THE INCREASE. SFC OBS
ALSO INDICATING AT LEAST SOME PCPN REACHING THE GROUND. SHOULD BE
A MIX OF RAIN/SNOW TRANSITIONING TO ALL SNOW AS PROFILES
COOL...BUT SIGNIFICANT SNOW ACCUMS NOT EXPECTED. THIS BAND OF
POST FRONTAL PCPN WILL CONTINUE ADVANCING EWD WITH THE MAJORITY
MOVING OUT OF OUR ERN ZONES AROUND MIDNIGHT.

&&

.SHORT TERM...THIS EVENING THROUGH THURSDAY NIGHT
ISSUED AT 224 PM MST WED FEB 19 2014

CURRENT SURFACE ANALYSIS PLACE LOW OVER SOUTHERN SASKATCHEWAN WITH
COLD FRONT DROPPING THROUGH WRN ND INTO WRN SD BRINGING A PERIOD
OF GUSTY WINDS AND DROPPING TEMPS. UPPER LEVEL ANALYSIS PLACES
RIDGING OVER THE MIDWEST WITH TROF PUSHING FROM THE ROCKIES INTO
THE PLAINS. SOME LIGHT SHOWERS HAVE DEVELOPED OVER PTNS OF THE CWA
AHEAD OF THE TROF.

FOR TONIGHT...TROF TO THE WEST WILL PUSH THRU THE AREA OVERNIGHT WITH
CHANCES FOR PRECIP PUSHING ACROSS THE AREA BEFORE TAPERING OFF
LATE. SFC LOW SHIFTS TOWARDS NRN MINNESOTA KEEPING CONDITIONS
BREEZY OVERNIGHT. TOWARDS MORNING...NEXT ROUND OF SNOW MAY START
TO WRAP ITS WAY INTO THE NWRN CWA AS SECONDARY SURGE OF COLD AIR
STARTS TO PUSH IN.

ON THURSDAY...SFC LOW OVER NRN MN GETS MERGED IN WITH STRONG LOW
THAT WILL BE PULLING IN FROM THE SOUTH AND PUSHING ACROSS THE
MIDWEST. WITH STRONG PRESSURE GRADIENT BEHIND THIS SYSTEM COMBINED
WITH SECONDARY SURGE OF CAA...EXPECT VERY GUSTY WINDS TO DEVELOP
OVER THE AREA. WILL KEEP SOME LOW POPS IN THE MORNING WITH THE
SECONDARY WAVE MOVING THROUGH...BUT WILL PUT IN SOME HIGHER POPS
OVER THE TYPICAL UPSLOPE LOCATIONS OF THE NRN BLKHLS WITH STRONG
UPSLOPE FLOW/MODEST MOISTURE. WINDS WILL DIMINISH TOWARDS EVENING.
NEXT WAVE PUSHES THROUGH ACTIVE NWRLY FLOW OVERNIGHT INTO THE AREA
BRINGING THE NEXT CHANCES FOR SNOW.

&&

.LONG TERM...FRIDAY THROUGH WEDNESDAY
ISSUED AT 224 PM MST WED FEB 19 2014

EXTENDED MODELS IN DECENT AGREEMENT DEPICTING NORTHWEST
FLOW ACROSS THE NORTHERN PLAINS FOR THE EXTENDED PERIOD AS A LARGE
UPPER LOW DEVELOPS OVER ONTARIO. THIS WILL ALLOW THE ARCTIC HIGH
ACROSS CENTRAL CANADA TO SLIP SOUTHWARD. A LOW LEVEL BAROCLINIC ZONE
WILL DEVELOP OVER MONTANA INTO EASTERN WYOMING/WESTERN SOUTH DAKOTA.
THE RESULT WILL BE PERIODIC CHANCES OF SNOW...WITH WEAK WARM
ADVECTION OVER THE COLDER AIR AT THE SURFACE. THE BEST CHANCE OF
WIDESPREAD SNOW APPEARS TO BE ON SUNDAY NIGHT INTO MONDAY AS A
STRONG SHORTWAVE DROPS SOUTHWARD ACROSS THE DAKOTAS. DRY WEATHER IS
EXPECTED AFTER MONDAY WITH CONTINUED COLDER THAN AVERAGE
TEMPERATURES.

&&

.AVIATION...(FOR THE 06Z TAFS THROUGH 06Z THURSDAY NIGHT)
ISSUED AT 940 PM MST WED FEB 19 2014

AREAS OF MVFR CONDITIONS IN -SHRASN ACROSS SCNTRL SD WILL MOVE EAST
OF THE AREA SHORTLY AFT MIDNIGHT...WITH VFR CONDITIONS THE REST OF
THE NIGHT. A STRONG CDFNT WILL BLAST THROUGH THE AREA AROUND
DAYBREAK AND BRING STRONG NW WINDS...GUSTING OVER 45KTS ON THE SD
PLAINS...THROUGH THE DAY ON THU. AREAS OF MVFR CONDITION IN
-SHSN EXPECTED DURING THE DAY...ESPECIALLY FROM NERN WY AND THE
NRN BLKHLS INTO NWRN SD.

&&

.UNR WATCHES/WARNINGS/ADVISORIES...
SD...WIND ADVISORY FROM 5 AM MST /6 AM CST/ TO 5 PM MST /6 PM CST/
     THURSDAY FOR SDZ001-002-012>014-025-026-030>032-042>044-046-
     047-049-072>074.

WY...NONE.
&&

UPDATE...JOHNSON
SHORT TERM...77
LONG TERM...15
AVIATION...JOHNSON

Hazardous weather outlook, Feb 19, 5:49 AM MST, 20 hours 59 minutes before

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Nearby

High Wind Warnings in South Dakota, 2014 High Wind Warnings in Wyoming, 2014 Every high wind warning 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; radar from the NEXRAD Level II archive.