Alert archive / Nebraska / Special Weather Statements in 2014

Special Weather Statement, NWS Omaha, NE

June 15, 2014Washington County, Nebraska; Monona County, Iowa

NWS Omaha, NE issued this special weather statement at Jun 15, 2014, 2:08 AM CDT for Washington County, Nebraska; Monona County, Iowa. It was in force for 52 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
Jun 15, 2014, 2:08 AM CDT (07:08 UTC)
Expired
Jun 15, 2014, 3:00 AM CDT
In force
52 min
Issued by
NWS Omaha, NE

Counties Monona County, IA, Washington County, NE

The radar

The Omaha radar (KOAX), 76 km from the middle of the area, began a volume at 07:08 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

Omaha, NE (KOAX), launched 00:00Z, 7.1 hours before the alert went out and 76 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, Omaha, NE at 00:00Z on 2014-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2298 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, Omaha, NE at 00:00Z on 2014-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 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
2298 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1112 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
352 m²/s²
Significant tornado parameter
3.3
Supercell composite
23.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

616 
WWUS83 KOAX 150708
SPSOAX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
208 AM CDT SUN JUN 15 2014
 
IAZ043-055-NEZ015-034-045-150800-
HARRISON IA-MONONA IA-BURT NE-THURSTON NE-WASHINGTON NE-
208 AM CDT SUN JUN 15 2014

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN HARRISON...MONONA...
EASTERN BURT...NORTH CENTRAL WASHINGTON AND SOUTHEASTERN THURSTON
COUNTIES UNTIL 300 AM CDT...

AT 208 AM CDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR MACY TO 8 MILES
NORTHWEST OF BLAIR...AND MOVING NORTHEAST AT 50 MPH.

WIND GUSTS OF 50 TO 55 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
ONAWA...TEKAMAH...WHITING...DECATUR...MONDAMIN...UTE...PISGAH...
MOORHEAD...MAPLETON...HERMAN...BLENCOE...SOLDIER...LITTLE SIOUX...
CASTANA...TURIN...RODNEY...PELICAN POINT STATE RECREATION AREA...
SUMMIT LAKE STATE RECREATION AREA...LEWIS AND CLARK STATE PARK AND
KENNEBEC.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT SUNDAY
MORNING FOR SOUTHEAST NEBRASKA.

LAT...LON 4150 9628 4216 9635 4223 9634 4224 9633
      4222 9633 4221 9567 4182 9566
TIME...MOT...LOC 0708Z 204DEG 81KT 4215 9634 4159 9628 

$$

CHERMOK

The office that day

Everything else NWS Omaha, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 14, 7:13 PM CDTSevere Thunderstorm WarningOAXPierce32 min
Jun 14, 7:15 PM CDTSevere Thunderstorm WarningOAXCedar30 min
Jun 14, 7:28 PM CDTSevere Thunderstorm WarningOAXPierce, Wayne47 min
Jun 14, 7:37 PM CDTSevere Thunderstorm WarningOAXPlatte38 min
Jun 14, 7:44 PM CDTSevere Thunderstorm WarningOAXCedar46 min
Jun 14, 7:47 PM CDTSevere Thunderstorm WarningOAXMadison, Pierce28 min
Jun 14, 7:52 PM CDTSevere Thunderstorm WarningOAXMadison38 min
Jun 14, 7:56 PM CDTAreal Flood AdvisoryOAXCedar, Pierce, Wayne3 hr
Jun 14, 8:14 PM CDTSevere Thunderstorm WarningOAXMadison, Pierce, Stanton, Wayne46 min
Jun 14, 8:18 PM CDTSevere Thunderstorm WarningOAXCedar, Knox, Pierce27 min
Jun 14, 8:24 PM CDTSpecial Weather StatementOAXPlatte21 min
Jun 14, 8:47 PM CDTSpecial Weather StatementOAXCedar28 min
Jun 14, 8:49 PM CDTSpecial Weather StatementOAXBoone26 min
Jun 14, 8:50 PM CDTFlash Flood WarningOAXCedar, Pierce, Wayne5 hr
Jun 14, 9:05 PM CDTSpecial Weather StatementOAXPierce40 min
Jun 14, 9:15 PM CDTAreal Flood AdvisoryOAXMadison7 hr
Jun 14, 9:52 PM CDTSevere Thunderstorm WarningOAXMadison, Pierce, Stanton, Wayne38 min
Jun 14, 10:12 PM CDTTornado WarningOAXThurston, Wayne33 min
Jun 14, 10:14 PM CDTSevere Thunderstorm WarningOAXButler, Colfax, Platte46 min
Jun 14, 10:27 PM CDTFlash Flood WarningOAXWayne5 hr
Jun 14, 10:28 PM CDTSevere Thunderstorm WarningOAXCuming, Stanton, Wayne47 min
Jun 14, 10:59 PM CDTSevere Thunderstorm WarningOAXColfax, Cuming, Dodge, Stanton46 min
Jun 14, 11:03 PM CDTSevere Thunderstorm WarningOAXBurt, Cuming, Thurston, Wayne42 min
Jun 14, 11:18 PM CDTAreal Flood AdvisoryOAXThurston5 hr
Jun 14, 11:34 PM CDTFlash Flood WarningOAXThurston5 hr
Jun 14, 11:35 PM CDTSpecial Weather StatementOAXColfax, Platte40 min
Jun 14, 11:42 PM CDTSpecial Weather StatementOAXCuming, Thurston48 min
Jun 14, 11:53 PM CDTSevere Thunderstorm WarningOAXCuming, Thurston37 min
Jun 14, 11:54 PM CDTAreal Flood AdvisoryOAXColfax, Platte5 hr
Jun 15, 12:06 AM CDTSevere Thunderstorm WarningOAXGage, Jefferson, Johnson, Lancaster, Saline, Seward54 min
Jun 15, 12:25 AM CDTAreal Flood AdvisoryOAXBoone, Madison, Pierce, Platte, Stanton6 hr
Jun 15, 12:56 AM CDTSevere Thunderstorm WarningOAXCass, Gage, Jefferson, Johnson, Lancaster, Otoe and 3 more64 min
Jun 15, 12:58 AM CDTSpecial Weather StatementOAXButler47 min
Jun 15, 1:20 AM CDTSevere Thunderstorm WarningOAXButler, Colfax, Dodge, Saunders40 min
Jun 15, 1:39 AM CDTSevere Thunderstorm WarningOAXCass, Johnson, Nemaha, Otoe, Pawnee, Richardson36 min
Jun 15, 1:41 AM CDTSevere Thunderstorm WarningOAXCass, Dodge, Douglas, Sarpy, Saunders, Washington34 min
Jun 15, 1:55 AM CDTAreal Flood AdvisoryOAXCedar, Pierce, Wayne4 hr
Jun 15, 1:58 AM CDTSevere Thunderstorm WarningOAXCass, Johnson, Nemaha, Otoe, Pawnee, Richardson47 min
Jun 15, 2:18 AM CDTSpecial Weather StatementOAXDouglas, Washington42 min
Jun 15, 2:29 AM CDTSpecial Weather StatementOAXBurt, Cass, Cuming, Dodge, Douglas, Gage and 8 more46 min
Jun 15, 2:49 AM CDTHigh Wind WarningOAXBurt, Cass, Dodge, Douglas, Gage, Johnson and 8 more71 min
Jun 15, 9:21 AM CDTAreal Flood AdvisoryOAXBurt, Cuming, Thurston, Wayne13 hr
Jun 15, 2:46 PM CDTRiver Flood WarningOAXDodge24 hr
Jun 15, 5:05 AM CDTAreal Flood AdvisoryOAXMonona6 hr
Jun 15, 10:06 AM CDTAreal Flood WarningOAXMonona12 hr

Nearby

Special Weather Statements in Nebraska, 2014Special Weather Statements in Iowa, 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.