Alert archive / Nebraska / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 252, NWS Hastings, NE

September 15, 20174 counties in Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Sep 15, 2017, 7:44 PM CDT for 4 counties in Nebraska. It was in force for 46 min. 6 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Sep 15, 2017, 7:44 PM CDT (00:44 UTC)
Expired: Sep 15, 2017, 8:30 PM CDT
In force: 46 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Buffalo County, NE, Dawson County, NE, Phelps County, NE, Sherman County, NE

The radar

The Grand Island radar (KUEX), 92 km from the middle of the area, began a volume at 00:47 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.

What was reported inside it

Time	Report	Where	Remark
Sep 15, 7:45 PM CDT	HAIL 1.25	Elm Creek, NE	HAIL STARTED AT 7:40 PM AND IS ONGOING. QUARTER TO HALF DOLLAR IN SIZE.
Sep 15, 8:30 PM CDT	HAIL 0.5	4 S Amherst, NE	PEA TO MARBLE SIZE HAIL.
Sep 15, 8:30 PM CDT	HAIL 0.88	2 Se Amherst, NE	PEA TO NICKEL SIZE HAIL.
Sep 15, 8:37 PM CDT	TSTM WND GST 60	3 Ese Amherst, NE	REPORTED VIA SPOTTER NETWORK.
Sep 15, 8:37 PM CDT	HAIL 1.25	3 Ese Amherst, NE	RECIEVED VIA SPOTTER NETWORK.
Sep 15, 8:40 PM CDT	HAIL 1	3 Nw Riverdale, NE	QUARTER SIZE HAIL WITH STRONG WINDS OF 50 TO 60 MPH. ONGOING.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.7 hours before the alert went out and 116 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: 136 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 2158 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

094 
WUUS53 KGID 160044
SVRGID
NEC019-047-137-163-160130-
/O.NEW.KGID.SV.W.0252.170916T0044Z-170916T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Hastings NE
744 PM CDT FRI SEP 15 2017

The National Weather Service in Hastings has issued a

* Severe Thunderstorm Warning for...
  Northwestern Phelps County in south central Nebraska...
  Western Buffalo County in south central Nebraska...
  Southern Sherman County in central Nebraska...
  Southeastern Dawson County in south central Nebraska...

* Until 830 PM CDT

* At 744 PM CDT, severe thunderstorms were located along a line
  extending from near Pleasanton to Amherst to near Elm Creek to 6
  miles northeast of Bertrand, moving northeast at 30 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Ravenna, Elm Creek, Overton, Odessa, Pleasanton, Amherst, Riverdale
  and Poole.

This includes Interstate 80 between mile markers 246 and 262.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4106 9920 4106 9875 4049 9954 4065 9964
TIME...MOT...LOC 0044Z 221DEG 28KT 4095 9915 4085 9930 4068 9942 4059
9955

HAIL...1.00IN
WIND...60MPH
 
$$

Rossi

2 follow-up statements

384 
WWUS53 KGID 160048
SVSGID

Severe Weather Statement
National Weather Service Hastings NE
748 PM CDT FRI SEP 15 2017

NEC019-047-137-163-160130-
/O.CON.KGID.SV.W.0252.000000T0000Z-170916T0130Z/
Phelps NE-Buffalo NE-Sherman NE-Dawson NE-
748 PM CDT FRI SEP 15 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR NORTHWESTERN PHELPS...WESTERN BUFFALO...SOUTHERN SHERMAN AND
SOUTHEASTERN DAWSON COUNTIES...

At 746 PM CDT, severe thunderstorms were located along a line
extending from near Pleasanton to near Amherst to near Elm Creek to 
near Bertrand, moving northeast at 30 mph. 

At 745 PM...half dollar size hail was being reported in Elm Creek. 

HAZARD...60 mph wind gusts and half dollar size hail. 

SOURCE...Law enforcement. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Ravenna, Elm Creek, Overton, Odessa, Pleasanton, Amherst, Riverdale
and Poole.

This includes Interstate 80 between mile markers 246 and 262.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4106 9920 4106 9875 4049 9954 4065 9964
TIME...MOT...LOC 0046Z 221DEG 28KT 4094 9916 4084 9931 4067 9943 4058
9956

HAIL...1.25IN
WIND...60MPH
 
$$

Rossi

838 
WWUS53 KGID 160107
SVSGID

Severe Weather Statement
National Weather Service Hastings NE
807 PM CDT FRI SEP 15 2017

NEC137-160116-
/O.CAN.KGID.SV.W.0252.000000T0000Z-170916T0130Z/
Phelps NE-
807 PM CDT FRI SEP 15 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN PHELPS COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4106 9919 4106 9875 4066 9930 4068 9960
TIME...MOT...LOC 0106Z 218DEG 29KT 4102 9908 4092 9923 4075 9935 4066
9948

$$

NEC019-047-163-160130-
/O.CON.KGID.SV.W.0252.000000T0000Z-170916T0130Z/
Buffalo NE-Sherman NE-Dawson NE-
807 PM CDT FRI SEP 15 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR WESTERN BUFFALO...SOUTHERN SHERMAN AND SOUTHEASTERN DAWSON
COUNTIES...

At 806 PM CDT, severe thunderstorms were located along a line
extending from near Pleasanton to 6 miles north of Amherst to near
Elm Creek to 6 miles southeast of Overton, moving northeast at 35
mph.

HAZARD...60 mph wind gusts and half dollar size hail. 

SOURCE...Law enforcement. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Ravenna, Elm Creek, Overton, Odessa, Pleasanton, Amherst, Riverdale
and Poole.

This includes Interstate 80 between mile markers 247 and 262.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4106 9919 4106 9875 4066 9930 4068 9960
TIME...MOT...LOC 0106Z 218DEG 29KT 4102 9908 4092 9923 4075 9935 4066
9948

HAIL...1.25IN
WIND...60MPH
 
$$

Rossi

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 15, 7:05 PM CDT	Severe Thunderstorm Warning	GID	Sherman, Valley	40 min
Sep 15, 7:55 PM CDT	Special Weather Statement	GID	Furnas	35 min
Sep 15, 8:16 PM CDT	Areal Flood Advisory	GID	Buffalo, Dawson, Phelps	3 hr
Sep 15, 8:19 PM CDT	Severe Thunderstorm Warning	GID	Furnas	41 min
Sep 15, 8:22 PM CDT	Special Weather Statement	GID	Greeley	38 min
Sep 15, 8:28 PM CDT	Severe Thunderstorm Warning	GID	Buffalo	32 min
Sep 15, 8:58 PM CDT	Severe Thunderstorm Warning	GID	Buffalo, Dawson, Sherman	47 min
Sep 15, 9:46 PM CDT	Special Weather Statement	GID	Buffalo	44 min
Sep 15, 9:49 PM CDT	Special Weather Statement	GID	Kearney	26 min
Sep 15, 10:09 PM CDT	Special Weather Statement	GID	Hall	51 min
Sep 15, 10:34 PM CDT	Special Weather Statement	GID	Sherman	41 min
Sep 15, 10:53 PM CDT	Special Weather Statement	GID	Howard, Merrick	52 min
Sep 15, 11:17 PM CDT	Special Weather Statement	GID	Sherman	43 min
Sep 15, 11:49 PM CDT	Special Weather Statement	GID	Nance	11 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2017 Every severe thunderstorm warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.