Alert archive / Kansas / Special Weather Statements in 2020

Special Weather Statement, NWS Hastings, NE

June 4, 2020Mitchell County, Kansas

NWS Hastings, NE issued this special weather statement at Jun 4, 2020, 11:30 PM CDT for Mitchell County, Kansas. It was in force for 45 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
Jun 4, 2020, 11:30 PM CDT (04:30 UTC)
Expired
Jun 5, 2020, 12:15 AM CDT
In force
45 min
Issued by
NWS Hastings, NE

County Mitchell County, KS

The radar

The Grand Island radar (KUEX), 99 km from the middle of the area, began a volume at 04:31 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

Topeka, KS (KTOP), launched 00:00Z, 4.5 hours before the alert went out and 215 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, Topeka, KS at 00:00Z on 2020-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3168 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, Topeka, KS at 00:00Z on 2020-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939Sfc1 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
3168 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
1308 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.3

Open this sounding in Storm Lab

The text

As transmitted.

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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 Hastings, NE wrote its last area forecast discussion before this special weather statement went out at Jun 4, 6:11 PM CDT, 5 hours 19 minutes earlier.

Area forecast discussion, Jun 4, 6:11 PM CDT, 5 hours 19 minutes before
AREA FORECAST DISCUSSION
National Weather Service Hastings NE
611 PM CDT Thu Jun 4 2020

...Aviation Update...

.UPDATE...
Issued at 450 PM CDT Thu Jun 4 2020

Increased/expanded PoPs through tonight to more closely match the
latest runs of the HRRR and other short term guidance. These
models show thunderstorms moving west to east through the forecast
area, mainly from 7pm to 1am tonight.

&&

.SHORT TERM...(This evening through Friday night)
Issued at 324 PM CDT Thu Jun 4 2020

A mid-level embedded perturbation will help touch off some
thunderstorms this afternoon near the cold front in South Dakota,
and along a trough over Nebraska/Kansas this afternoon. Better
support for severe weather with potential northern MCS to develop,
keeping this mostly if not entirely out of our CWA where stronger
updrafts will be supported.

Hi-res models indicate the potential for convection to creep into
the CWA this evening into the overnight, but nowhere near the
support for severe weather as we had last night.

Went closer to HRRR/HRRREXP for highs Friday, based on recent model
performance statistics. Cold front will likely stall in the southern
CWA or just south for Friday, but best moisture hold on more to the
east. Our far east/southeast may be able to get in on some
convection for the evening, but not much to hang our hat on, and
generally looks dry for us Friday/Friday night.

.LONG TERM...(Saturday through Thursday)
Issued at 324 PM CDT Thu Jun 4 2020

The story this weekend is HOT and WINDY! Saturday and Sunday look
very similar with highs above normal in the 90s and gusty winds.
Deep ridging will be in place over much of the central CONUS along
with an upper level trof approaching from the west. Expecting a
rather tight sfc pressure gradient on Saturday and Sunday ahead of
the trof. This will lead to sustained southerly sfc winds around 20-
30 kts. Model soundings also suggest the potential for mixing down
gusts to the sfc of around 40 kts. There could be a brief shot of
precip Saturday night for far western portions of the CWA, but don't
currently have a lot of confidence in this.

Sunday night a minor short wave along the leading edge of the trof
forms a cold front across the NE panhandle. As Monday comes around
this front will start to push southeast across western NE. Showers
and thunderstorms are expected to develop along the front late in
the day on Monday. These storms are expected to impact the CWA
overnight on Monday and into Tuesday as the front crosses through
from the NW to the SE. Behind the front we can expect cooler, more
seasonal temperatures for Tuesday, Wednesday, and Thursday.

&&

.AVIATION...(For the 00Z KGRI/KEAR TAFS through 00Z Saturday)
Issued at 605 PM CDT Thu Jun 4 2020

Scattered thunderstorms expected to move from west to east in the
vicinity of the terminals this evening. The main threat to the
terminals will be brief gusty winds to around 60 MPH.

After the storms move through, skies will clear and winds will
shift from the southwest to northwest overnight, and eventually to
the east on Friday.

&&

.GID WATCHES/WARNINGS/ADVISORIES...
NE...NONE.
KS...NONE.
&&

UPDATE...Mangels
SHORT TERM...Heinlein
LONG TERM...Shawkey
AVIATION...Mangels
Hazardous weather outlook, Jun 4, 5:00 PM CDT, 6 hours 30 minutes before
Hazardous Weather Outlook
National Weather Service Hastings NE
500 PM CDT Thu Jun 4 2020

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
051200-
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-
500 PM CDT Thu Jun 4 2020

This Hazardous Weather Outlook is for south central Nebraska and
portions of north central Kansas.

.DAY ONE...Tonight.

Scattered thunderstorms are expected to move through the area
this evening and tonight, mainly between 7pm and 1am. Some of the
storms may be capable of producing large hail the size of half
dollars and damaging winds of 60 mph or greater.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Intermittent, small chances for thunderstorms exist across
portions of the outlook area Friday evening through Saturday
night. A few storms could be strong to severe, however widespread
severe weather is not expected at this time.

Looking ahead into next week, better chances for thunderstorms
return to the outlook area in the Monday night into Tuesday time
frame with the arrival of a cold front.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed on an isolated basis this
evening.

&&

More information may be obtained at the following web page:
   https://www.weather.gov/hastings

In the hours before

Special weather statement, Jun 4, 11:08 PM CDT, 22 minutes before
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Special weather statement, Jun 4, 11:09 PM CDT, 21 minutes before
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Special weather statement, Jun 4, 11:09 PM CDT, 21 minutes before
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Local storm report, Jun 4, 11:10 PM CDT, 20 minutes before
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Local storm report, Jun 4, 11:21 PM CDT, 9 minutes before
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Special weather statement, Jun 4, 11:30 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 7:43 PM CDTSpecial Weather StatementGIDBuffalo, Dawson, Gosper, Phelps, Sherman47 min
Jun 4, 8:33 PM CDTSevere Thunderstorm WarningGIDSherman, Valley42 min
Jun 4, 8:52 PM CDTSevere Thunderstorm WarningGIDGreeley, Howard, Sherman, Valley38 min
Jun 4, 8:56 PM CDTSpecial Weather StatementGIDKearney34 min
Jun 4, 9:13 PM CDTSevere Thunderstorm WarningGIDAdams, Franklin, Kearney, Webster32 min
Jun 4, 9:34 PM CDTSpecial Weather StatementGIDHall, Howard, Merrick, Nance41 min
Jun 4, 10:07 PM CDTSpecial Weather StatementGIDFillmore38 min
Jun 4, 10:13 PM CDTSevere Thunderstorm WarningGIDClay, Fillmore36 min
Jun 4, 10:35 PM CDTSpecial Weather StatementGIDYork25 min
Jun 4, 10:37 PM CDTSpecial Weather StatementGIDPolk38 min
Jun 4, 10:52 PM CDTSpecial Weather StatementGIDYork38 min
Jun 4, 10:59 PM CDTSevere Thunderstorm WarningGIDPolk, York18 min
Jun 4, 11:08 PM CDTSpecial Weather StatementGIDFillmore52 min
Jun 4, 11:09 PM CDTSpecial Weather StatementGIDNuckolls, Thayer, Webster51 min
Jun 4, 11:15 PM CDTSevere Thunderstorm WarningGIDNuckolls, Thayer45 min
Jun 4, 11:38 PM CDTSevere Thunderstorm WarningGIDFillmore, Thayer52 min
Jun 5, 12:00 AM CDTSpecial Weather StatementGIDThayer30 min
Jun 4, 9:03 PM CDTSevere Thunderstorm WarningGIDPhillips, Rooks42 min
Jun 4, 9:32 PM CDTSpecial Weather StatementGIDOsborne, Phillips, Rooks, Smith43 min
Jun 4, 9:45 PM CDTSpecial Weather StatementGIDRooks30 min

Nearby

Special Weather Statements in Kansas, 2020Every special weather statement in 2020

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.