Alert archive / Nebraska / Tornado Warnings in 2018

Tornado Warning 7, NWS Hastings, NE

May 1, 2018Adams County, Nebraska

NWS Hastings, NE issued this tornado warning at May 1, 2018, 4:57 PM CDT for Adams County, Nebraska. It was in force for 23 min. 2 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: May 1, 2018, 4:57 PM CDT (21:57 UTC)
Expired: May 1, 2018, 5:20 PM CDT
In force: 23 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

County Adams County, NE

The radar

The Grand Island radar (KUEX), 26 km from the middle of the area, began a volume at 21:56 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
May 1, 5:08 PM CDT	HAIL 0.88	Nws Hastings Office, NE	SECOND ROUND OF HAIL IN THE LAST 40 MINUTES.
May 1, 5:10 PM CDT	HAIL 1.25	2 W Hastings, NE	FACEBOOK PHOTO, WEST SIDE OF HASTINGS. DELAYED REPORT.

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

The watch it was issued in

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

Issued	Product	Office	Lasted
May 1, 2:47 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.0 hours before the alert went out and 192 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: 13 J/kg
Mixed-layer CIN: -418 J/kg
Mixed-layer LCL: 1087 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: -77 m²/s²
0-3 km storm-relative helicity: -9 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

907 
WFUS53 KGID 012157
TORGID
NEC001-012230-
/O.NEW.KGID.TO.W.0007.180501T2157Z-180501T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Hastings NE
457 PM CDT TUE MAY 1 2018

The National Weather Service in Hastings has issued a

* Tornado Warning for...
  Northern Adams County in south central Nebraska...

* Until 530 PM CDT
    
* At 456 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Roseland, or 10 miles southwest of Hastings,
  moving northeast at 35 mph.

  HAZARD...Tornado and golf ball size hail. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Juniata around 505 PM CDT. 
  Hastings around 520 PM CDT. 
  Hansen around 525 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4044 9850 4048 9865 4070 9848 4070 9828
      4058 9828
TIME...MOT...LOC 2156Z 222DEG 32KT 4049 9854 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

Heinlein

2 follow-up statements

850 
WWUS53 KGID 012213
SVSGID

Severe Weather Statement
National Weather Service Hastings NE
513 PM CDT TUE MAY 1 2018

NEC001-012230-
/O.CON.KGID.TO.W.0007.000000T0000Z-180501T2230Z/
Adams NE-
513 PM CDT TUE MAY 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR
NORTHEASTERN ADAMS COUNTY...
    
At 513 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Hastings, moving northeast at 35 mph.

HAZARD...Tornado and golf ball size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Hansen around 525 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4052 9838 4059 9857 4070 9848 4070 9828
      4058 9828
TIME...MOT...LOC 2213Z 222DEG 32KT 4060 9841 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

Heinlein

318 
WWUS53 KGID 012220 RRA
SVSGID

Severe Weather Statement
National Weather Service Hastings NE
520 PM CDT TUE MAY 1 2018

NEC001-012229-
/O.CAN.KGID.TO.W.0007.000000T0000Z-180501T2230Z/
Adams NE-
520 PM CDT TUE MAY 1 2018

...THE TORNADO WARNING FOR NORTHEASTERN ADAMS COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has weakened. A 
Severe Thunderstorm Warning is still in effect for northeastern 
Adams County. 

A tornado watch remains in effect until 1000 PM CDT 
for south central Nebraska.

LAT...LON 4052 9838 4059 9857 4070 9848 4070 9828
      4058 9828
TIME...MOT...LOC 2217Z 222DEG 32KT 4064 9836 

$$

Heinlein

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 8:53 PM CDT	Severe Thunderstorm Warning	GID	Valley	52 min
Apr 30, 9:45 PM CDT	Special Weather Statement	GID	Valley	45 min
May 1, 3:28 PM CDT	Severe Thunderstorm Warning	GID	Adams, Webster	47 min
May 1, 3:49 PM CDT	Severe Thunderstorm Warning	GID	Polk, York	26 min
May 1, 3:51 PM CDT	Severe Thunderstorm Warning	GID	Franklin, Webster	39 min
May 1, 4:01 PM CDT	Severe Thunderstorm Warning	GID	Adams, Franklin, Kearney, Webster	44 min
May 1, 4:05 PM CDT	Tornado Warning	GID	Webster	25 min
May 1, 4:09 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay, Nuckolls, Webster	51 min
May 1, 4:16 PM CDT	Special Weather Statement	GID	Merrick	29 min
May 1, 4:21 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay, Hall, Hamilton	39 min
May 1, 4:23 PM CDT	Severe Thunderstorm Warning	GID	Nuckolls, Webster	37 min
May 1, 4:26 PM CDT	Special Weather Statement	GID	Polk	49 min
May 1, 4:31 PM CDT	Severe Thunderstorm Warning	GID	Hamilton, Merrick, Polk, York	44 min
May 1, 4:39 PM CDT	Severe Thunderstorm Warning	GID	Adams, Webster	41 min
May 1, 4:39 PM CDT	Tornado Warning Tornado observed	GID	Hamilton, York	36 min
May 1, 4:47 PM CDT	Severe Thunderstorm Warning	GID	Clay, Fillmore	43 min
May 1, 4:51 PM CDT	Severe Thunderstorm Warning	GID	Hall, Hamilton, Merrick	24 min
May 1, 4:53 PM CDT	Severe Thunderstorm Warning	GID	Nuckolls, Webster	52 min
May 1, 4:54 PM CDT	Tornado Warning	GID	Hall	16 min
May 1, 4:57 PM CDT	Tornado Warning	GID	Adams	33 min
May 1, 5:00 PM CDT	Tornado Warning	GID	Nuckolls	19 min
May 1, 5:09 PM CDT	Severe Thunderstorm Warning	GID	Hamilton, Merrick, Polk, York	51 min
May 1, 5:16 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay, Hall, Hamilton, Merrick	44 min
May 1, 5:22 PM CDT	Severe Thunderstorm Warning	GID	Clay, Fillmore, York	38 min
May 1, 5:25 PM CDT	Severe Thunderstorm Warning	GID	Nuckolls, Thayer	50 min
May 1, 5:27 PM CDT	Special Weather Statement	GID	Merrick, Nance	48 min
May 1, 5:40 PM CDT	Tornado Warning	GID	Nuckolls, Thayer	35 min
May 1, 5:44 PM CDT	Severe Thunderstorm Warning	GID	Hamilton, Merrick, Polk, York	21 min
May 1, 5:54 PM CDT	Severe Thunderstorm Warning	GID	Polk	36 min
May 1, 5:57 PM CDT	Tornado Warning Tornado observed	GID	Thayer	33 min
May 1, 6:13 PM CDT	Special Weather Statement	GID	Hamilton	32 min
May 1, 6:20 PM CDT	Severe Thunderstorm Warning	GID	Thayer	25 min
May 1, 6:29 PM CDT	Special Weather Statement	GID	Merrick	31 min

Nearby

Tornado Warnings in Nebraska, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.