Alert archive / Nebraska / Heat Advisories in 2016

Heat Advisory 6, NWS North Platte, NE

July 19, 201626 counties in Nebraska

NWS North Platte, NE issued this heat advisory at Jul 19, 2016, 3:11 AM MDT for 26 counties in Nebraska. It took effect at Jul 19, 2016, 12:00 PM MDT. It was in force for 4 days.

The area

The counties it named.

The facts

Issued
Jul 19, 2016, 3:11 AM MDT (09:11 UTC)
In effect from
Jul 19, 2016, 12:00 PM MDT
Expired
Jul 23, 2016, 7:42 PM MDT
In force
4 days
Issued by
NWS North Platte, NE
All 26 counties

Arthur County, NE, Blaine County, NE, Boyd County, NE, Brown County, NE, Chase County, NE, Cherry County, NE, Custer County, NE, Deuel County, NE, Frontier County, NE, Garden County, NE, Garfield County, NE, Grant County, NE, Hayes County, NE, Holt County, NE, Hooker County, NE, Keith County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Perkins County, NE, Rock County, NE, Sheridan County, NE, Thomas County, NE, Wheeler County, NE

The radar

The North Platte radar (KLNX), 25 km from the middle of the area, began a volume at 09:13 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 9.2 hours before the alert went out and 67 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, N. Platte/Lee Bi, NE at 00:00Z on 2016-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2929 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, N. Platte/Lee Bi, NE at 00:00Z on 2016-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
2929 J/kg
Mixed-layer CIN
-121 J/kg
Mixed-layer LCL
1104 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.3
Supercell composite
5.8

Open this sounding in Storm Lab

What forecasters said that day

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

NWS North Platte, NE wrote its last area forecast discussion before this heat advisory went out at Jul 19, 2:56 AM MDT, 15 minutes earlier.

Area forecast discussion, Jul 19, 2:56 AM MDT, 15 minutes before
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Hazardous weather outlook, Jul 18, 3:00 PM MDT, 12 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORTH PLATTE NE
400 PM CDT MON JUL 18 2016

NEZ004>010-022>029-035>038-056>059-069>071-094-192100-
SHERIDAN-EASTERN CHERRY-KEYA PAHA-BOYD-BROWN-ROCK-HOLT-GARDEN-
GRANT-HOOKER-THOMAS-BLAINE-LOUP-GARFIELD-WHEELER-ARTHUR-MCPHERSON-
LOGAN-CUSTER-DEUEL-KEITH-PERKINS-LINCOLN-CHASE-HAYES-FRONTIER-
WESTERN CHERRY-
400 PM CDT MON JUL 18 2016 /300 PM MDT MON JUL 18 2016/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN AND
NORTH CENTRAL NEBRASKA.

.DAY ONE...TONIGHT.

THUNDERSTORMS WILL MOVE EAST ACROSS MUCH OF WESTERN AND NORTH
CENTRAL NEBRASKA TONIGHT. SOME OF THE STORMS COULD BE SEVERE WITH
DAMAGING WINDS THE MAIN THREAT. HEAVY RAIN IS ALSO POSSIBLE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

HOT TEMPERATURES ARE EXPECTED TUESDAY THROUGH FRIDAY. THE
COMBINATION OF HEAT AND HUMIDITY COULD LEAD TO AFTERNOON HEAT
INDEX READINGS OF 100 TO 105 DEGREES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TONIGHT.

&&

GET YOUR WEATHER...HYDROLOGICAL...AND CLIMATE INFORMATION AT
HTTP://WWW.WEATHER.GOV/NORTHPLATTE (ALL LOWERCASE)

TAYLOR

In the hours before

Special weather statement, Jul 18, 9:46 PM MDT, 5 hours 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
946 PM MDT MON JUL 18 2016

NEZ056>058-069-190430-
CHASE NE-DEUEL NE-KEITH NE-PERKINS NE-
946 PM MDT MON JUL 18 2016

...SIGNIFICANT WEATHER ADVISORY FOR CHASE...EASTERN DEUEL...
SOUTHWESTERN KEITH AND PERKINS COUNTIES UNTIL 1030 PM MDT...

AT 945 PM MDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES NORTHWEST OF BARTON
TO VENANGO TO 17 MILES SOUTHWEST OF LAMAR...AND MOVING EAST AT 35
MPH.

DIME SIZE HAIL AND WIND GUSTS OF 50 TO 55 MPH WILL BE POSSIBLE WITH
THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
OGALLALA...IMPERIAL...GRANT...BIG SPRINGS...BRULE...MADRID...
VENANGO...LAMAR...ENDERS...CHAMPION...
ENDERS RESERVOIR STATE RECREATION AREA...BARTON...CHASE...
CHURCH GROVE CAMPGROUND...GOLDENEYE STATE WILDLIFE MANAGEMENT AREA...
AREA A CAMPGROUND...CRETE...BRANDON...
CENTER DAM CAMPGROUND AND WILD HORSE SPRING.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 61 BETWEEN MILE MARKERS 25 AND 86.
 INTERSTATE 80 IN NEBRASKA BETWEEN MILE MARKERS 100 AND 126.

LAT...LON 4035 10205 4100 10205 4101 10221 4119 10220
      4118 10206 4124 10201 4103 10151 4035 10143
TIME...MOT...LOC 0345Z 263DEG 32KT 4113 10229 4077 10205 4035 10212

ROBERG
Local storm report, Jul 18, 10:16 PM MDT, 4 hours 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1116 PM CDT MON JUL 18 2016

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

1113 PM     TSTM WND GST     3 E NORTH PLATTE        41.13N 100.71W
07/18/2016  M55 MPH          LINCOLN            NE   ASOS

&&

MASEK
Special weather statement, Jul 18, 10:31 PM MDT, 4 hours 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1131 PM CDT MON JUL 18 2016

NEZ036-037-059-190515-
LINCOLN NE-LOGAN NE-MCPHERSON NE-
1131 PM CDT MON JUL 18 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN MCPHERSON...LINCOLN
AND SOUTHWESTERN LOGAN COUNTIES UNTIL 1215 AM CDT...

AT 1131 PM CDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 10 MILES SOUTH OF STAPLETON
TO NEAR MAXWELL TO NEAR DICKENS...AND MOVING EAST AT 50 MPH.

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

LOCATIONS IMPACTED INCLUDE...
NORTH PLATTE...BRADY...MAXWELL...WELLFLEET...LAKE MALONEY STATE
RECREATION AREA...NORTH PLATTE
AIRPORT...DICKENS...SOMERSET...COTTONWOOD
CANYON STATE WILDLIFE MANAGEMENT AREA...KEITH AND JEFFREY CANYON
STATE
WILDLIFE MANAGEMENT AREA.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 97 BETWEEN MILE MARKERS 1 AND 9.
 INTERSTATE 80 IN NEBRASKA BETWEEN MILE MARKERS 173 AND 206.
 HIGHWAY 83 BETWEEN MILE MARKERS 56 AND 107.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 4136 10026 4072 10025 4076 10122 4113 10084
      4149 10086
TIME...MOT...LOC 0431Z 272DEG 42KT 4134 10057 4110 10046 4085 10095

ROBERG
Local storm report, Jul 18, 11:16 PM MDT, 3 hours 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1216 AM CDT TUE JUL 19 2016

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

1214 AM     TSTM WND GST     8 SW CALLAWAY           41.21N 100.03W
07/19/2016  M72.00 MPH       CUSTER             NE   TRAINED SPOTTER

            HOME WEATHER STATION REPORTED WIND GUST TO 72 MPH. WIND
            BLEW SEVERAL TREE BRANCHES DOWN.

&&

MASEK
Local storm report, Jul 19, 1:03 AM MDT, 2 hours 8 minutes before
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Special weather statement, Jul 19, 1:28 AM MDT, 1 hour 43 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 6:05 PM MDTSpecial Weather StatementLBFGarden40 min
Jul 18, 6:43 PM MDTSpecial Weather StatementLBFGarden47 min
Jul 18, 7:01 PM MDTSpecial Weather StatementLBFGarden44 min
Jul 18, 7:33 PM MDTSpecial Weather StatementLBFGarden42 min
Jul 18, 7:41 PM MDTSpecial Weather StatementLBFDeuel49 min
Jul 18, 8:12 PM MDTSpecial Weather StatementLBFArthur, Deuel33 min
Jul 18, 8:47 PM MDTSpecial Weather StatementLBFKeith58 min
Jul 18, 9:41 PM MDTSpecial Weather StatementLBFKeith, Lincoln49 min
Jul 18, 9:46 PM MDTSpecial Weather StatementLBFChase, Perkins44 min
Jul 18, 10:31 PM MDTSpecial Weather StatementLBFLincoln44 min
Jul 18, 11:18 PM MDTSevere Thunderstorm WarningLBFCuster57 min
Jul 19, 1:28 AM MDTSpecial Weather StatementLBFBoyd, Keya Paha32 min
Jul 19, 11:11 AM MDTRiver Flood AdvisoryLBFLincoln36 hr
Jul 19, 2:15 PM MDTExcessive Heat WarningLBFBlaine, Boyd, Brown, Cherry, Custer, Frontier and 11 more4 days

Nearby

Heat Advisories in Nebraska, 2016Every heat advisory 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.