Alert archive / Iowa / Special Weather Statements in 2016

Special Weather Statement, NWS Omaha, NE

May 26, 2016Fremont County, Iowa

NWS Omaha, NE issued this special weather statement at May 26, 2016, 5:21 PM CDT for Fremont County, Iowa. 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 26, 2016, 5:21 PM CDT (22:21 UTC)
Expired: May 26, 2016, 6:00 PM CDT
In force: 39 min
Issued by: NWS Omaha, NE

County Fremont County, IA

The radar

The Omaha radar (KOAX), 96 km from the middle of the area, began a volume at 22:22 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 12:00Z, 10.4 hours before the alert went out and 96 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1783 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: -107 m²/s²
0-3 km storm-relative helicity: -78 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

037 
WWUS83 KOAX 262221
SPSOAX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
521 PM CDT THU MAY 26 2016
 
IAZ090-262300-
FREMONT IA-
521 PM CDT THU MAY 26 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN FREMONT COUNTY UNTIL 600
PM CDT...

AT 521 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 4
MILES NORTHWEST OF HAMBURG...OR 23 MILES NORTHWEST OF TARKIO...MOVING
EAST AT 40 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
HAMBURG...SIDNEY...FARRAGUT...RIVERTON AND WAUBONSIE STATE PARK. 

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 59 IN IOWA NEAR MILE MARKER 1.
 INTERSTATE 29 BETWEEN MILE MARKERS 1 AND 12.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR SOUTHWESTERN
IOWA.

LAT...LON 4059 9574 4065 9577 4072 9587 4076 9541
      4058 9539
TIME...MOT...LOC 2221Z 262DEG 33KT 4065 9572 

$$

MEAD

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 Omaha, NE wrote its last area forecast discussion before this special weather statement went out at May 26, 2:23 PM CDT, 2 hours 58 minutes earlier.

Area forecast discussion, May 26, 2:23 PM CDT, 2 hours 58 minutes before

Area Forecast Discussion
National Weather Service Omaha/Valley NE
223 PM CDT THU MAY 26 2016

.SHORT TERM...(tonight through Sunday)
Issued at 220 PM CDT Thu May 26 2016

Warm front was located across northeast Kansas at 19z with a large
area of convection blooming on either side of the front. Periods
of thunderstorms are expected through most of the period as upper
trough over the southern Rockies this afternoon lifts across the
plains region toward the upper Midwest through Saturday. There
looks to be a brief break in the stormy pattern late Saturday
night into Sunday behind the trough but additional storms return
by Monday.

Flash flood watch will cover parts of southeast Nebraska and
southwest Iowa near the warm front through tonight with potential
for several rounds of thunderstorms and heavy rain.

.LONG TERM...(Sunday night through Thursday)
Issued at 220 PM CDT Thu May 26 2016

Upper pattern becomes more amplified again in the extended period
with more storm chances into at least Wednesday although ECMWF is
a bit quicker with drier conditions by Tuesday night compared to
the GFS.

&&

.AVIATION...(18Z TAFS for KOMA...KLNK...KOFK through 18Z Friday)
Issued at 1250 PM CDT Thu May 26 2016

Showers and thunderstorms will begin to pop up across the region
this afTernoon. Storms could begin in KLNK as early at 19Z and
move into KOMA and KOFK later this afternoon and evening. Showers
and thunderstorms will continue well into the overnight hours
before clearing and potentially allowing light fog to develop
early Friday morning.

&&

.OAX Watches/Warnings/Advisories...
NE...Flash Flood Watch through Friday morning for NEZ066-068-078-
     088>093.

IA...Flash Flood Watch through Friday morning for IAZ090-091.

&&

SHORT TERM...Fobert
LONG TERM...Fobert
AVIATION...KG

Hazardous weather outlook, May 26, 4:17 PM CDT, 1 hour 4 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
417 PM CDT THU MAY 26 2016

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-271130-
MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-
PAGE-KNOX-CEDAR-THURSTON-ANTELOPE-PIERCE-WAYNE-BOONE-MADISON-
STANTON-CUMING-BURT-PLATTE-COLFAX-DODGE-WASHINGTON-BUTLER-
SAUNDERS-DOUGLAS-SARPY-SEWARD-LANCASTER-CASS-OTOE-SALINE-
JEFFERSON-GAGE-JOHNSON-NEMAHA-PAWNEE-RICHARDSON-
417 PM CDT THU MAY 26 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
IOWA...WEST CENTRAL IOWA...EAST CENTRAL NEBRASKA...NORTHEAST
NEBRASKA AND SOUTHEAST NEBRASKA.

.DAY ONE...TONIGHT AND FRIDAY

THERE IS AN ENHANCED RISK OF SEVERE WEATHER TONIGHT ACROSS
SOUTHERN NEBRASKA INTO THE SOUTHWEST CORNER OF IOWA. A SLIGHT RISK
COVERS THE REMAINDER OF EASTERN NEBRASKA AND WESTERN IOWA. A WARM
FRONT WAS LOCATED NEAR THE NORTHEAST KANSAS BORDER LATE THIS
AFTERNOON WITH STRONG TO SEVERE THUNDERSTORMS WIDESPREAD FROM
NORTHEAST KANSAS AND SOUTHEAST NEBRASKA INTO SOUTHWEST IOWA.
THESE STORMS ARE EXPECTED TO GRADUALLY LIFT NORTH ACROSS THE AREA
TONIGHT. ALL MODES OF SEVERE WEATHER WILL BE POSSIBLE, ESPECIALLY
THIS EVENING, INCLUDING DAMAGING WINDS, VERY LARGE HAIL, AND EVEN
A FEW TORNADOES. SOME STORMS WILL ALSO PRODUCE VERY HEAVY RAINFALL
AS WELL, ESPECIALLY SOUTH OF INTERSTATE 80. STORM CHANCES BEGIN TO
DIMINISH LATE TONIGHT. MORE STORMS ARE POSSIBLE ON FRIDAY.

.DAYS TWO THROUGH SEVEN...FRIDAY NIGHT THROUGH THURSDAY

THUNDERSTORM CHANCES RREMAIN IN THE FORECAST THROUGH SATURDAY.
ANOTHER CHANCE OF STORMS RETURNS TO THE REGION FOR MONDAY INTO
WEDNESDAY NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED ACROSS PORTIONS OF THE
AREA THIS EVENING.

FOBERT

In the hours before

Local storm report, May 26, 3:55 PM CDT, 1 hour 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
355 PM CDT THU MAY 26 2016

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

0354 PM     FLASH FLOOD      CRETE                   40.63N 96.96W
05/26/2016                   SALINE             NE   TRAINED SPOTTER

            REPORTS OF FLOODED ROADS IN CRETE.

&&

PEARSON

Local storm report, May 26, 4:10 PM CDT, 1 hour 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
410 PM CDT THU MAY 26 2016

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

0408 PM     FLASH FLOOD      LINCOLN                 40.82N 96.69W
05/26/2016                   LANCASTER          NE   BROADCAST MEDIA

            48TH AND CORNHUSKER IS IMPASSABLE DUE TO FLOODING.

&&

PEARSON

Special weather statement, May 26, 4:32 PM CDT, 49 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
432 PM CDT THU MAY 26 2016

NEZ066-078-088>090-262215-
JEFFERSON NE-JOHNSON NE-GAGE NE-LANCASTER NE-SALINE NE-
432 PM CDT THU MAY 26 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN SALINE...
JEFFERSON...WESTERN JOHNSON...NORTHERN GAGE AND SOUTH CENTRAL
LANCASTER COUNTIES UNTIL 515 PM CDT...

AT 432 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 5
MILES NORTH OF FAIRBURY...OR 22 MILES WEST OF BEATRICE...MOVING
NORTHEAST AT 35 MPH.

NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
BEATRICE...FAIRBURY...FIRTH...DE WITT...CORTLAND...PLYMOUTH...
CLATONIA...PICKRELL...FILLEY...ENDICOTT...JANSEN...SWANTON...
REYNOLDS...HARBINE...CAMP JEFFERSON...CRYSTAL SPRINGS CAMPGROUND...
CUB CREEK RECREATIONAL AREA...
ROCK CREEK STATION STATE HISTORICAL PARK...
ALEXANDRIA STATE RECREATION AREA AND BUCKLEY CREEK RECREATIONAL AREA.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 136 IN NEBRASKA BETWEEN MILE MARKERS 141 AND 195.
 HIGHWAY 77 IN NEBRASKA BETWEEN MILEMARKERS 19 AND 42.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR SOUTHEASTERN
NEBRASKA.

LAT...LON 4000 9735 4027 9737 4056 9662 4030 9643
TIME...MOT...LOC 2132Z 233DEG 42KT 4022 9716

MEAD

Local storm report, May 26, 5:04 PM CDT, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
504 PM CDT THU MAY 26 2016

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

0503 PM     FUNNEL CLOUD     BROCK                   40.48N 95.96W
05/26/2016                   NEMAHA             NE   LAW ENFORCEMENT

            FUNNEL CLOUD DEVELOPED BUT HAS SINCE DISSIPATED.

&&

VDEWALD

Local storm report, May 26, 5:12 PM CDT, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
512 PM CDT THU MAY 26 2016

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

0511 PM     FLASH FLOOD      5 S SYRACUSE            40.59N 96.18W
05/26/2016                   OTOE               NE   TRAINED SPOTTER

            WATER OVER HIGHWAY 50...6 TO 12 INCHES DEEP.

&&

VDEWALD

Special weather statement, May 26, 5:21 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
521 PM CDT THU MAY 26 2016

IAZ090-262300-
FREMONT IA-
521 PM CDT THU MAY 26 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN FREMONT COUNTY UNTIL 600
PM CDT...

AT 521 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 4
MILES NORTHWEST OF HAMBURG...OR 23 MILES NORTHWEST OF TARKIO...MOVING
EAST AT 40 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
HAMBURG...SIDNEY...FARRAGUT...RIVERTON AND WAUBONSIE STATE PARK.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 59 IN IOWA NEAR MILE MARKER 1.
 INTERSTATE 29 BETWEEN MILE MARKERS 1 AND 12.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR SOUTHWESTERN
IOWA.

LAT...LON 4059 9574 4065 9577 4072 9587 4076 9541
      4058 9539
TIME...MOT...LOC 2221Z 262DEG 33KT 4065 9572

MEAD

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 8:13 PM CDT	Severe Thunderstorm Warning	OAX	Knox	32 min
May 25, 8:42 PM CDT	Severe Thunderstorm Warning	OAX	Knox	33 min
May 25, 9:10 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Knox	35 min
May 25, 9:36 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Knox	24 min
May 25, 9:54 PM CDT	Special Weather Statement	OAX	Pierce	36 min
May 25, 9:56 PM CDT	Severe Thunderstorm Warning	OAX	Cedar	34 min
May 25, 9:59 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Knox, Pierce	31 min
May 25, 10:27 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Knox, Pierce, Wayne	33 min
May 25, 10:42 PM CDT	Special Weather Statement	OAX	Lancaster	48 min
May 25, 10:44 PM CDT	Special Weather Statement	OAX	Richardson	31 min
May 25, 10:52 PM CDT	Special Weather Statement	OAX	Boone	38 min
May 25, 10:55 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Wayne	35 min
May 25, 11:18 PM CDT	Special Weather Statement	OAX	Boone	27 min
May 25, 11:27 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Wayne	33 min
May 25, 11:36 PM CDT	Special Weather Statement	OAX	Platte	39 min
May 25, 11:42 PM CDT	Severe Thunderstorm Warning	OAX	Madison, Platte	33 min
May 25, 11:57 PM CDT	Severe Thunderstorm Warning	OAX	Wayne	33 min
May 26, 12:06 AM CDT	Special Weather Statement	OAX	Butler, Colfax, Dodge, Saunders, Seward	39 min
May 26, 12:12 AM CDT	Special Weather Statement	OAX	Stanton	33 min
May 26, 12:36 AM CDT	Special Weather Statement	OAX	Lancaster	24 min
May 26, 12:40 AM CDT	Special Weather Statement	OAX	Burt, Cuming, Dodge, Douglas, Sarpy, Washington	35 min
May 26, 12:49 AM CDT	Severe Thunderstorm Warning	OAX	Dodge, Douglas, Saunders, Washington	26 min
May 26, 12:54 AM CDT	Special Weather Statement	OAX	Thurston	51 min
May 26, 12:58 AM CDT	Severe Thunderstorm Warning	OAX	Burt, Dodge, Washington	32 min
May 26, 1:07 AM CDT	Severe Thunderstorm Warning	OAX	Douglas, Washington	23 min
May 26, 1:19 AM CDT	Severe Thunderstorm Warning	OAX	Burt	26 min
May 26, 1:22 AM CDT	Severe Thunderstorm Warning	OAX	Burt, Thurston	23 min
May 26, 1:22 PM CDT	Flash Flood Watch	OAX	Cass, Gage, Jefferson, Johnson, Lancaster, Nemaha and 4 more	14 hr
May 26, 1:50 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster, Saline	25 min
May 26, 2:14 PM CDT	Severe Thunderstorm Warning	OAX	Otoe	31 min
May 26, 2:15 PM CDT	Severe Thunderstorm Warning	OAX	Saline, Seward	30 min
May 26, 2:19 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster, Saline, Seward	26 min
May 26, 2:42 PM CDT	Severe Thunderstorm Warning	OAX	Saline, Seward	33 min
May 26, 3:09 PM CDT	Severe Thunderstorm Warning	OAX	Saline	36 min
May 26, 3:10 PM CDT	Flash Flood Warning	OAX	Lancaster	5 hr
May 26, 3:13 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Lancaster, Saline	32 min
May 26, 3:17 PM CDT	Flash Flood Warning	OAX	Saline, Seward	3 hr
May 26, 3:39 PM CDT	Tornado Warning	OAX	Gage, Lancaster	25 min
May 26, 3:42 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster, Saline	33 min
May 26, 3:50 PM CDT	Flash Flood Warning	OAX	Gage, Lancaster, Saline	3 hr
May 26, 3:50 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Otoe	25 min
May 26, 4:03 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Lancaster	27 min
May 26, 4:11 PM CDT	Flash Flood Warning	OAX	Cass, Otoe	3 hr
May 26, 4:27 PM CDT	Severe Thunderstorm Warning	OAX	Johnson, Otoe	33 min
May 26, 4:32 PM CDT	Special Weather Statement	OAX	Gage, Jefferson	43 min
May 26, 4:40 PM CDT	Tornado Warning	OAX	Johnson, Nemaha, Otoe	35 min
May 26, 4:45 PM CDT	Flash Flood Warning	OAX	Cass, Lancaster, Otoe	3 hr
May 26, 5:04 PM CDT	Flash Flood Warning	OAX	Otoe	3 hr
May 26, 5:10 PM CDT	Tornado Warning	OAX	Nemaha, Otoe	23 min
May 26, 12:03 AM CDT	Severe Thunderstorm Warning	OAX	Page	27 min
May 26, 12:33 AM CDT	Special Weather Statement	OAX	Page	42 min
May 26, 1:34 AM CDT	Special Weather Statement	OAX	Fremont, Harrison, Mills, Pottawattamie	41 min
May 26, 1:46 AM CDT	Special Weather Statement	OAX	Montgomery	29 min
May 26, 2:15 AM CDT	Special Weather Statement	OAX	Montgomery	30 min
May 26, 2:20 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	25 min
May 26, 2:42 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	21 min
May 26, 3:20 PM CDT	Special Weather Statement	OAX	Fremont	40 min
May 26, 3:54 PM CDT	Areal Flood Advisory	OAX	Fremont, Page	3 hr
May 26, 4:31 PM CDT	Flash Flood Warning	OAX	Pottawattamie	3 hr
May 26, 4:49 PM CDT	Flash Flood Warning	OAX	Fremont, Mills	3 hr

Nearby

Special Weather Statements in Iowa, 2016 Every special weather statement in 2016

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.