Alert archive / Nebraska / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 237, NWS Omaha, NE

June 19, 2008Douglas County, Sarpy County, Saunders County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Jun 19, 2008, 2:45 PM CDT for Douglas County, Sarpy County, Saunders County, Nebraska. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 19, 2008, 2:45 PM CDT (19:45 UTC)
Expired: Jun 19, 2008, 3:30 PM CDT
In force: 45 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon

Counties Douglas County, NE, Sarpy County, NE, Saunders County, NE

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 19, 1:27 PM CDT	Severe Thunderstorm Watch	SPC	10 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 7.8 hours before the alert went out and 13 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: 1349 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 1135 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 136 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.8

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Omaha, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 19, 3:00 AM CDT, 11 hours 45 minutes earlier.

Area forecast discussion, Jun 19, 3:00 AM CDT, 11 hours 45 minutes before

AREA FORECAST DISCUSSION...
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
300 AM CDT THU JUN 19 2008

.DISCUSSION...

TIMING AND EXTENT OF CONVECTION WILL BE THE MAIN CONCERN IN THE
SHORT TERM.

SCATTERED CONVECTION OVER WESTERN NEBRASKA AND CENTRAL SOUTH DAKOTA
CONVERGING TOWARDS EASTERN NEBRASKA AT 07Z. THE WEAK MID LEVEL WAVE
KICKING THINGS OFF IS PROGGED BY BOTH THE GFS AND NAM TO MOVE
ACROSS THE CENTRAL PLAINS TODAY AND TONIGHT. LATEST THINKING IS FOR
CURRENT CONVECTION TO CONTINUE TO MOVE SOUTHEAST INTO THE AREA
THIS MORNING ALONG MID LEVEL THETA-E AXIS. AFTER THAT...NOT SURE
HOW THINGS WILL DEVELOP. AS A RESULT WILL CONTINUE TO CARRY CHANCE
POPS ACROSS THE CWA TODAY WITH EXPECTATION OF WAVE MAINTAINING SOME
CONVECTION OR REDEVELOPING IN THE AFTERNOON. WILL KEEP SOME POPS
GOING FOR THE EVENING WITH MAIN FOCUS IN THE SOUTH THEN FOLLOW BOTH
MODELS TREND OF MOVING ACTIVITY SOUTH OF THE AREA LATE TONIGHT.
LITTLE CHANGE TO OVERALL PATTERN INTO THE WEEKEND AND WITH LITTLE
TO FOCUS ON WILL KEEP FRIDAY INTO THE WEEKEND DRY FOR NOW.

PATTERN LOOKS TO REMAIN ACTIVE IN THE EXTENDED PERIOD AS SHORT WAVE
ENERGY FLATTENS THE UPPER RIDGE EARLY THEN REBUILDS OVER THE WEST
TOWARDS THE END OF THE EXTENDED PERIOD.

&&

.AVIATION...
FOR TAF SITES KOMA...KLNK AND KOFK...THROUGH 20/12Z.

SCATTERED THUNDERSTORMS WILL DROP SOUTH FROM EASTERN SOUTH DAKOTA
THROUGH THE MORNING...AND MAY AFFECT KOFK BY 15Z. MORE STORMS ARE
POSSIBLE THROUGH THE DAY AS THIS ACTIVITY RE-INTENSIFIES ACROSS
EASTERN NEBRASKA. EXPECT SCATTERED STORMS AT JUST ABOUT ANY TIME
BETWEEN 15Z AND 03Z BEFORE ACTIVITY SHIFTS SOUTH OF THE KOMA AND
KLNK AREAS. OUTSIDE OF MVFR/IFR CIGS/VSBYS IN THUNDERSTORMS...VFR
CONDITIONS SHOULD PREVAIL THROUGH FRIDAY MORNING.

&&

.OAX WATCHES/WARNINGS/ADVISORIES...
NE...NONE.
IA...NONE.

&&

FOBERT/DERGAN

Hazardous weather outlook, Jun 19, 11:30 AM CDT, 3 hours 15 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1130 AM CDT THU JUN 19 2008

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-192300-
ANTELOPE-BOONE-BURT-BUTLER-CASS-CEDAR-COLFAX-CUMING-DODGE-DOUGLAS-
FREMONT IA-GAGE-HARRISON IA-JEFFERSON-JOHNSON-KNOX-LANCASTER-MADISON-
MILLS IA-MONONA IA-MONTGOMERY IA-NEMAHA-OTOE-PAGE IA-PAWNEE-PIERCE-
PLATTE-POTTAWATTAMIE IA-RICHARDSON-SALINE-SARPY-SAUNDERS-SEWARD-
SHELBY IA-STANTON-THURSTON-WASHINGTON-WAYNE-
1130 AM CDT THU JUN 19 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MOST OF EASTERN NEBRASKA AND
SOUTHWEST IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS ARE POSSIBLE OVER THE AREA THIS AFTERNOON.
A FEW STORMS COULD BE SEVERE...WITH LARGE HAIL AND DAMAGING WINDS.
THE BEST CHANCE OF THUNDERSTORMS SHOULD SHIFT SOUTHWARD ACROSS
SOUTHEAST NEBRASKA AND SOUTHWEST IOWA THIS EVENING AND TONIGHT. A
FEW STORMS COULD PRODUCE LARGE HAIL AND DAMAGING WINDS.

OTHERWISE...MINOR FLOODING WILL CONTINUE ALONG THE MISSOURI RIVER
FROM AROUND BROWNVILLE TO RULO. FLOODING SHOULD GRADUALLY DECREASE
LATE TONIGHT AND FRIDAY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE NEXT CHANCE FOR THUNDERSTORMS IS FROM MONDAY THROUGH TUESDAY
NIGHT AS A NEW FRONTAL BOUNDARY MOVES INTO THE REGION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON OR THIS EVENING.

MILLER

In the hours before

Local storm report, Jun 19, 1:20 PM CDT, 1 hour 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
120 PM CDT THU JUN 19 2008

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

0102 PM     HAIL             FAIRBURY                40.14N 97.18W
06/19/2008  M1.00 INCH       JEFFERSON          NE   EMERGENCY MNGR

&&

MILLER

Local storm report, Jun 19, 1:35 PM CDT, 1 hour 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
135 PM CDT THU JUN 19 2008

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

0134 PM     HAIL             7 S WAYNE               42.14N 97.02W
06/19/2008  E1.25 INCH       WAYNE              NE   TRAINED SPOTTER

&&

MILLER

Local storm report, Jun 19, 1:47 PM CDT, 58 minutes before

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Local storm report, Jun 19, 2:14 PM CDT, 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
214 PM CDT THU JUN 19 2008

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

0208 PM     HAIL             5 N BEATRICE            40.34N 96.75W
06/19/2008  E0.88 INCH       GAGE               NE   FIRE DEPT/RESCUE

            NICKEL SIZE REPORTED BY AMBULANCE SERVICE

&&

MILLER

Local storm report, Jun 19, 2:26 PM CDT, 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
226 PM CDT THU JUN 19 2008

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

0200 PM     HAIL             4 N BEATRICE            40.33N 96.75W
06/19/2008  E0.88 INCH       GAGE               NE   TRAINED SPOTTER

            1.6 INCHES OF RAIN IN 20 MINUTES AND 35 TO 45 MPH WINDS.

&&

CZAPOTOC

Local storm report, Jun 19, 2:32 PM CDT, 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
232 PM CDT THU JUN 19 2008

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

0230 PM     HAIL             5 ESE AUBURN            40.36N 95.75W
06/19/2008  E1.00 INCH       NEMAHA             NE   CO-OP OBSERVER

&&

CZAPOTOC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 8:18 PM CDT	Severe Thunderstorm Warning	OAX	Washington	42 min
Jun 18, 9:14 PM CDT	Severe Thunderstorm Warning	OAX	Burt, Cuming	31 min
Jun 19, 1:03 PM CDT	Severe Thunderstorm Warning	OAX	Jefferson	27 min
Jun 19, 1:12 PM CDT	Severe Thunderstorm Warning	OAX	Cuming, Stanton, Wayne	33 min
Jun 19, 1:38 PM CDT	Severe Thunderstorm Warning	OAX	Cuming, Stanton, Thurston, Wayne	52 min
Jun 19, 1:53 PM CDT	Severe Thunderstorm Warning	OAX	Gage	52 min
Jun 19, 2:21 PM CDT	Severe Thunderstorm Warning	OAX	Nemaha, Richardson	54 min
Jun 19, 2:33 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Johnson, Pawnee	32 min
Jun 19, 2:45 PM CDT	Severe Thunderstorm Warning	OAX	Madison, Stanton	45 min
Jun 19, 2:56 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Boone, Madison	49 min
Jun 19, 3:33 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Sarpy, Saunders	42 min
Jun 19, 3:41 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Boone	49 min
Jun 19, 3:55 PM CDT	Severe Thunderstorm Warning	OAX	Madison, Pierce, Stanton	50 min
Jun 19, 4:08 PM CDT	Flash Flood Warning	OAX	Madison, Pierce, Stanton	5 hr
Jun 19, 4:30 PM CDT	Severe Thunderstorm Warning	OAX	Colfax, Platte	60 min
Jun 19, 4:35 PM CDT	Severe Thunderstorm Warning	OAX	Boone	40 min
Jun 19, 4:50 PM CDT	Severe Thunderstorm Warning	OAX	Colfax	55 min
Jun 19, 5:30 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Dodge, Saunders	37 min
Jun 19, 5:37 PM CDT	Severe Thunderstorm Warning	OAX	Cedar	38 min
Jun 19, 5:45 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Knox, Pierce	45 min
Jun 19, 5:57 PM CDT	Severe Thunderstorm Warning	OAX	Saunders	48 min
Jun 19, 6:42 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Lancaster, Saunders	33 min
Jun 19, 6:56 PM CDT	Severe Thunderstorm Warning	OAX	Douglas, Sarpy	33 min
Jun 19, 1:10 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery, Pottawattamie	35 min
Jun 19, 1:42 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie, Shelby	48 min
Jun 19, 2:43 PM CDT	Severe Thunderstorm Warning	OAX	Mills	47 min
Jun 19, 3:01 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery	44 min
Jun 19, 3:30 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills, Montgomery, Page	45 min
Jun 19, 3:43 PM CDT	Flash Flood Warning	OAX	Mills	32 min
Jun 19, 4:00 PM CDT	Flash Flood Warning	OAX	Montgomery	60 min
Jun 19, 4:14 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills, Montgomery, Page	46 min
Jun 19, 4:17 PM CDT	Flash Flood Warning	OAX	Mills, Montgomery	5 hr
Jun 19, 4:33 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	27 min
Jun 19, 5:15 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	19 min
Jun 19, 6:33 PM CDT	Flash Flood Warning	OAX	Pottawattamie	2 hr

Nearby

Severe Thunderstorm Warnings in Nebraska, 2008 Every severe thunderstorm warning in 2008

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.