Alert archive / Nebraska / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 203, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Aug 4, 2015, 2:55 PM CDT for Dawson County, Furnas County, Gosper County, Nebraska. It was in force for 50 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
- Aug 4, 2015, 2:55 PM CDT (19:55 UTC)
- Expired
- Aug 4, 2015, 3:45 PM CDT
- In force
- 50 min
- Issued by
- NWS Hastings, NE
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Dawson County, NE, Furnas County, NE, Gosper County, NE
The radar
The Grand Island radar (KUEX), 122 km from the middle of the area, began a volume at 19:58 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 4, 1:34 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 7.9 hours before the alert went out and 92 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.
- Mixed-layer CAPE
- 983 J/kg
- Mixed-layer CIN
- -213 J/kg
- Mixed-layer LCL
- 899 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 4, 2:37 PM CDT, 18 minutes earlier.
Area forecast discussion, Aug 4, 2:37 PM CDT, 18 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE 237 PM CDT TUE AUG 4 2015 .SHORT TERM...(THIS EVENING THROUGH WEDNESDAY) ISSUED AT 237 PM CDT TUE AUG 4 2015 ...A FEW SEVERE TSTMS POSSIBLE THRU LATE THIS EVE WITH VERY HEAVY RAINFALL AND THE POSSIBILITY OF LOCALIZED FLASH FLOODING... ALOFT: THE UPR-LVL FLOW WAS CHARACTERIZED BY TROFS OVER THE ERN USA AND WRN USA...WITH A RIDGE MOVING OUT OF THE ROCKIES AND OVER THE PLAINS. THE FLOW WILL BE PROGRESSIVE THRU TOMORROW WITH GENERAL DEAMPLIFICATION. WV IMAGERY SHOWED A LOW OVER WY/CO WITH A TROF EXTENDING SE INTO KS. THIS FEATURE WILL MOVE INTO THE FCST AREA TONIGHT AND E OF THE REGION TOMORROW. A SHORTWAVE RIDGE WILL FOLLOW TOMORROW AFTERNOON. SURFACE: THE POLAR FRONT WAS QUASI-STATIONARY ACROSS THE OH AND MID MS RIVER VALLEYS...ACROSS NRN KS AND THEN NW BANKED UP AGAINST THE ROCKIES. THIS FRONT WILL PROBABLY SINK S INTO NRN OK... PROBABLY SHOVED S BY TSTM OUTFLOWS. SVR TSTM WATCH 470 IS IN EFFECT FOR THE SW FRINGE OF THE FCST AREA UNTIL 9 PM. WITH THE UPR TROF MOVING THRU...TSTMS WILL BE POSSIBLE THRU THE NIGHT...POSSIBLY LINGERING INTO PART OF TOMORROW MORNING. AM VERY CONCERNED ABOUT EXCESSIVE RAINFALL AND FLASH FLOOD POTENTIAL. RAINFALL: CONTEMPLATED A FLASH FLOOD WATCH ALONG AND S OF HWY 6... INCLUDING N-CNTRL KS. SINGLE CELL STORM MOVEMENTS HAVE BEEN VERY SLOW TODAY...AND ARE ONLY FCST TO BE 5-15 KTS FROM N-S ACROSS THE FCST AREA TONIGHT. THE MAIN CONCERN IS THE OUTFLOW BOUNDARY/FRONT THAT LIES ACROSS NRN KS. WE ARE ALREADY SEEING PERSISTENT TSTM DEVELOPMENT AND ONCE THE MODEST LOW-LVL JET FORMS...IT WILL FURTHER MAINTAIN/ENHANCE LIFT ALONG THIS BOUNDARY. WE WILL CONT TO MONITOR TRENDS AND MAY STILL ISSUE A FLASH FLOOD WATCH BEFORE THIS AFTERNOON IS OVER. WE HAVE ALREADY ISSUED A WARNING FOR SE PHILLIPS COUNTY. WHILE THE FCST AREA HAS NOT SEEN MUCH RAIN OVER THE LAST WEEK... IF PERSISTENT/REPEATED TSTM ACTIVITY OCCURS...LOCALIZED FLASH FLOODING WILL BE POSSIBLE. TOMORROW: ANY LEFTOVER RAIN SHOULD BE E OF THE FCST AREA BY MIDDAY AT THE LATEST. MULTI-MODEL CROSS SECTIONS SUGGEST WIDESPREAD LOW STRATUS COULD LINGER THRU MUCH OF THE DAY...PUTTING A CAP ON TEMPS. WE HAVE INDICATED SOME IMPROVEMENT W AND S OF THE TRI-CITIES IN THE AFTERNOON. TEMPS COULD BE HELD IN THE 70S N AND E OF THE TRI- CITIES. .LONG TERM...(WEDNESDAY NIGHT THROUGH TUESDAY) ISSUED AT 237 PM CDT TUE AUG 4 2015 THE OVERALL PATTERN FOR THE MID TERM PERIOD FOCUSES ON A WEAK UPPER LEVEL RIDGE STRETCHING FROM THE DESERT SOUTHWEST INTO THE LOWER MISSISSIPPI RIVER VALLEY...WHILE AN UPPER LEVEL LOW TRUDGES ALONG THE PACIFIC NORTHWEST. AS THIS LOW SHIFTS EASTWARD...THE PLAINS REMAIN SITUATED IN NEARLY ZONAL FLOW ABOVE THE RIDGE AND THUS REAP THE BENEFITS OF SEVERAL PASSING DISTURBANCES. THIS WILL RESULT IN NUMEROUS CHANCES FOR OFF AND ON PRECIPITATION ACROSS THE FORECAST AREA. REGARDING TEMPERATURES...AS THE RIDGE REMAINS FAIRLY LOW AMPLIFIED...THE PLAINS REMAIN ON THE COOLER SIDE OF 850 MB TEMPERATURES. THIS SHOULD KEEP TEMPERATURES FAIRLY MILD FOR THIS TIME OF YEAR IN THE 80S TO EVEN LOW 90S IN PORTIONS OF NORTH CENTRAL KANSAS. HOWEVER...WARM TEMPERATURES ARE NOT THAT FAR AWAY AND MAY EVEN NOSE THEIR WAY IN A DAY OR TWO AS WARM AIR ADVECTION RIDES NORTH ALONG THE FRONT RANGE. BY THE END OF THE LONG TERM PERIOD...MODELS ARE HINTING AT A POSSIBLE PATTERN CHANGE AS THE UPPER LEVEL LOW SHIFTS EASTWARD. RIDGING LOOKS TO BECOME MORE AMPLIFIED ESPECIALLY ACROSS THE FRONT RANGE WHICH WILL BRING BACK OUR HOT SUMMER TEMPERATURES AND LIKELY DECREASE CHANCES FOR PRECIPITATION. HOWEVER...THAT IS SEVERAL DAYS AWAY AND MODELS HAVE BEEN KNOWN TO CHANGE DRAMATICALLY. && .AVIATION...(FOR THE 18Z KGRI/KEAR TAFS THROUGH 18Z WED AFTERNOON) ISSUED AT 1234 PM CDT TUE AUG 4 2015 THIS AFTERNOON: VFR MULTI-LAYERED CLOUD COVER. THE PROBABILITY OF IFR TSTMS AFFECTING THE TERMINALS INCREASES AFTER 21Z. E WINDS GENERALLY 10-15 KTS. CONFIDENCE: MEDIUM TONIGHT: DIFFICULT TO PINPOINT TSTMS...BUT THE GREATEST PROBABILITY APPEARS TO BE UNTIL 05Z. HOWEVER...CAN'T RULE OUT ADDITIONAL TSTMS AFTER 05Z. MVFR OR POSSIBLY IFR STRATUS MAY THEN DEVELOP...AS INDICATED BY GFS MOS AND GFS LAMP GUIDANCE. SE WINDS UNDER 10 KTS EXCEPT IN/NEAR TSTMS. CONFIDENCE: LOW WED THRU 18Z: THE DAY PROBABLY BEGINS WITH IFR OR MVFR STRATUS... AND POSSIBLY SOME LIGHT FOG IN THE WAKE OF DEPARTING TSTMS. GRADUAL IMPROVEMENT TO MVFR SHOULD OCCUR BY 15Z. ESE WINDS UNDER 10 KTS. CONFIDENCE: LOW && .GID WATCHES/WARNINGS/ADVISORIES... NE...NONE. KS...NONE. && SHORT TERM...HALBLAUB LONG TERM...SALTZMAN AVIATION...HALBLAUB
Hazardous weather outlook, Aug 4, 1:14 PM CDT, 1 hour 41 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE HASTINGS NE 114 PM CDT TUE AUG 4 2015 KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087- 051815- PHILLIPS-SMITH-JEWELL-ROOKS-OSBORNE-MITCHELL-VALLEY-GREELEY-NANCE- SHERMAN-HOWARD-MERRICK-POLK-DAWSON-BUFFALO-HALL-HAMILTON-YORK- GOSPER-PHELPS-KEARNEY-ADAMS-CLAY-FILLMORE-FURNAS-HARLAN-FRANKLIN- WEBSTER-NUCKOLLS-THAYER- 114 PM CDT TUE AUG 4 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL NEBRASKA AND PORTIONS OF NORTH CENTRAL KANSAS. .DAY ONE...THIS AFTERNOON AND TONIGHT. SCATTERED THUNDERSTORMS ARE LIKELY OVER PORTIONS OF THE OUTLOOK AREA THROUGH TONIGHT. SOME THUNDERSTORMS COULD BE SEVERE BEFORE MIDNIGHT...MAINLY WEST OF A LINE FROM BROKEN BOW TO KEARNEY TO HEBRON NEBRASKA. HAIL UP TO THE SIZE OF GOLF BALLS AND DAMAGING WIND GUSTS NEAR 60 MPH WILL BE THE PRIMARY THREATS. IN ADDITION... SOME THUNDERSTORMS WILL PRODUCE VERY HEAVY RAINFALL...POSSIBLY EXCEEDING 3 INCHES IN A FEW SPOTS...AND THIS COULD LEAD TO FLASH FLOODING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. PERIODIC THUNDERSTORM CHANCES REMAIN IN THE FORECAST WEDNESDAY THROUGH MONDAY. AT THIS TIME TOO MUCH UNCERTAINTY EXISTS IN THE FORECAST TO PIN DOWN SPECIFICS IN REGARD TO ANY SEVERE WEATHER CHANCES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING. && MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING WEB PAGE: HTTP://WWW.WEATHER.GOV/HASTINGS (ALL LOWERCASE) HALBLAUB
In the hours before
Special weather statement, Aug 4, 2:11 PM CDT, 44 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
211 PM CDT TUE AUG 4 2015
KSZ005-006-018-041945-
PHILLIPS KS-OSBORNE KS-SMITH KS-
211 PM CDT TUE AUG 4 2015
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN PHILLIPS...
NORTHWESTERN OSBORNE AND SOUTHERN SMITH COUNTIES UNTIL 245 PM CDT...
AT 211 PM CDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES SOUTHEAST OF KIRWIN
TO NEAR PORTIS...AND MOVING NORTHEAST AT 10 MPH.
NICKEL SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH
THESE STORMS.
LOCATIONS IMPACTED INCLUDE...
OSBORNE...KIRWIN...GAYLORD...PORTIS...HARLAN AND CEDAR.
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.
THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
&&
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR
NORTH CENTRAL KANSAS.
LAT...LON 3954 9905 3957 9905 3957 9923 3962 9922
3973 9918 3972 9893 3963 9856 3942 9867
TIME...MOT...LOC 1911Z 237DEG 10KT 3960 9905 3953 9873
SALTZMANSpecial weather statement, Aug 4, 2:46 PM CDT, 9 minutes before
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</html>The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 2:46 PM CDT | Special Weather Statement | GID | Dawson, Gosper | 14 min |
| Aug 4, 3:38 PM CDT | Severe Thunderstorm Warning | GID | Furnas, Gosper, Harlan, Phelps | 52 min |
| Aug 4, 3:42 PM CDT | Special Weather Statement | GID | Webster | 33 min |
| Aug 4, 4:15 PM CDT | Special Weather Statement | GID | Webster | 30 min |
| Aug 4, 4:21 PM CDT | Special Weather Statement | GID | Kearney | 39 min |
| Aug 4, 4:44 PM CDT | Special Weather Statement | GID | Harlan | 31 min |
| Aug 4, 4:56 PM CDT | Special Weather Statement | GID | Webster | 34 min |
| Aug 4, 5:15 PM CDT | Special Weather Statement | GID | Hall | 30 min |
| Aug 4, 5:17 PM CDT | Special Weather Statement | GID | Adams, Clay, Hamilton | 28 min |
| Aug 4, 5:22 PM CDT | Special Weather Statement | GID | Franklin | 23 min |
| Aug 4, 5:57 PM CDT | Special Weather Statement | GID | Hamilton, Howard, Merrick, York | 48 min |
| Aug 4, 2:11 PM CDT | Special Weather Statement | GID | Smith | 34 min |
| Aug 4, 2:12 PM CDT | Flash Flood Warning | GID | Phillips | 3 hr |
| Aug 4, 3:00 PM CDT | Special Weather Statement | GID | Phillips | 30 min |
| Aug 4, 3:05 PM CDT | Severe Thunderstorm Warning | GID | Phillips | 25 min |
| Aug 4, 3:18 PM CDT | Severe Thunderstorm Warning | GID | Jewell | 27 min |
| Aug 4, 5:15 PM CDT | Flash Flood Warning | GID | Phillips | 3 hr |
| Aug 4, 5:44 PM CDT | Special Weather Statement | GID | Jewell, Smith | 31 min |
| Aug 4, 6:20 PM CDT | Special Weather Statement | GID | Mitchell | 10 min |
| Aug 4, 6:38 PM CDT | Areal Flood Advisory | GID | Mitchell | 5 hr |
| Aug 4, 6:40 PM CDT | Special Weather Statement | GID | Jewell, Mitchell | 35 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2015Every severe thunderstorm warning in 2015
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.