Alert archive / Nebraska / Special Weather Statements in 2018
Special Weather Statement, NWS Omaha, NE
NWS Omaha, NE issued this special weather statement at Aug 6, 2018, 6:32 PM CDT for Richardson County, Nebraska. It was in force for 28 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
- Aug 6, 2018, 6:32 PM CDT (23:32 UTC)
- Expired
- Aug 6, 2018, 7:00 PM CDT
- In force
- 28 min
- Issued by
- NWS Omaha, NE
County Richardson County, NE
The radar
The Topeka radar (KTWX), 133 km from the middle of the area, began a volume at 23:34 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 (KFOE), launched 12:00Z, 11.5 hours before the alert went out and 128 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
- 1201 J/kg
- Mixed-layer CIN
- -99 J/kg
- Mixed-layer LCL
- 1394 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- -6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
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</html>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 Omaha, NE wrote its last area forecast discussion before this special weather statement went out at Aug 6, 3:53 PM CDT, 2 hours 39 minutes earlier.
Area forecast discussion, Aug 6, 3:53 PM CDT, 2 hours 39 minutes before
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<div class="status" id="status">Temporary Notice</div>
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</html>Hazardous weather outlook, Aug 6, 4:32 PM CDT, 2 hours before
Hazardous Weather Outlook National Weather Service Omaha/Valley NE 432 PM CDT Mon Aug 6 2018 IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-071145- Monona-Harrison-Shelby-Pottawattamie-Mills-Montgomery-Fremont- Page-Knox-Cedar-Thurston-Antelope-Pierce-Wayne-Boone-Madison- Stanton-Cuming-Burt-Platte-Colfax-Dodge-Washington-Butler- Saunders-Douglas-Sarpy-Seward-Lancaster-Cass-Otoe-Saline- Jefferson-Gage-Johnson-Nemaha-Pawnee-Richardson- 432 PM CDT Mon Aug 6 2018 This Hazardous Weather Outlook is for portions of southwest Iowa...west central Iowa...east central Nebraska...northeast Nebraska and southeast Nebraska. .DAY ONE...Tonight and Tuesday There is a slight risk for severe thunderstorms tonight in southeast Nebraska and southwest Iowa, with damaging winds and large hail the primary hazards. Areas of heavy rain are also possible, which could lead to localized flooding. The area most vulnerable for severe storms and heavy rain will be along and south of a line from Columbus to Omaha and Oakland Iowa. Two rounds of thunderstorms are expected tonight. The first will mainly occur in the evening as storms in central Nebraska expand east through southeast Nebraska and southwest Iowa in an area of higher instability and shear. Large hail and damaging winds may result. Also, these storms will track along similar paths, with some areas seeing multiple rounds of moderate rainfall. An inch or two of rain could fall, with more than that in localized spots. The second round of thunderstorms is expected after midnight as an upper level system swings into the region. Damaging winds will be the most likely severe threat with these storms, but more heavy rain could fall across areas that will see rain during the evening. Again, localized flooding could occur. Other more general thunderstorm activity is forecast north of a Columbus to Omaha and Oakland line through the night. Severe storms are not expected here. Most of the thunderstorm should be moving east of southwest Iowa by late Tuesday morning. Then an isolated thunderstorm may bubble up during the afternoon just about anywhere across eastern Nebraska and southwest Iowa. However severe storms are not expected with this activity. Minor flooding will continue along the Missouri River above Lewis and Clark Lake through tonight. .DAYS TWO THROUGH SEVEN...Tuesday night through Monday Flooding will continue along the Missouri River above Lewis and Clark Lake. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated tonight or Tuesday.
In the hours before
Special weather statement, Aug 6, 5:50 PM CDT, 42 minutes before
Special Weather Statement National Weather Service Omaha/Valley Nebraska 550 PM CDT MON AUG 6 2018 NEZ068-062315- Otoe NE- 550 PM CDT MON AUG 6 2018 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL OTOE COUNTY UNTIL 615 PM CDT... At 550 PM CDT, Doppler radar was tracking a strong thunderstorm near Unadilla, or 25 miles southeast of Lincoln, moving east at 20 mph. Half inch hail and wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Syracuse, Unadilla, Talmage, Lorton, Dunbar, Otoe and Burr. LAT...LON 4053 9635 4071 9636 4077 9593 4053 9592 TIME...MOT...LOC 2250Z 268DEG 19KT 4063 9627 DEWALD
Special weather statement, Aug 6, 6:32 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Omaha/Valley Nebraska
632 PM CDT MON AUG 6 2018
NEZ093-070000-
Richardson NE-
632 PM CDT MON AUG 6 2018
...SIGNIFICANT WEATHER ADVISORY FOR RICHARDSON COUNTY UNTIL 700 PM
CDT...
At 631 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles southeast of Humboldt, or 12 miles north of Sabetha, moving
northeast at 25 mph.
Half inch hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Falls City, Humboldt, Verdon, Stella, Shubert, Dawson, Salem,
Preston, The Highway 75 And 8 Junction and Camp Cornhusker.
LAT...LON 4015 9601 4027 9568 4026 9566 4017 9556
4000 9551 4000 9601
TIME...MOT...LOC 2331Z 246DEG 22KT 4007 9589
DEWALDThe office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 9:01 PM CDT | Special Weather Statement | OAX | Dodge | 29 min |
| Aug 5, 9:10 PM CDT | Severe Thunderstorm Warning | OAX | Dodge | 35 min |
| Aug 5, 10:04 PM CDT | Severe Thunderstorm Warning | OAX | Butler, Dodge, Saunders | 26 min |
| Aug 5, 11:27 PM CDT | Special Weather Statement | OAX | Cuming | 33 min |
| Aug 5, 11:46 PM CDT | Special Weather Statement | OAX | Platte | 29 min |
| Aug 6, 5:50 PM CDT | Special Weather Statement | OAX | Otoe | 25 min |
| Aug 6, 6:10 PM CDT | Severe Thunderstorm Warning | OAX | Cass, Otoe | 35 min |
| Aug 6, 12:18 AM CDT | Special Weather Statement | OAX | Monona | 27 min |
| Aug 6, 2:21 AM CDT | Special Weather Statement | OAX | Harrison | 24 min |
| Aug 6, 6:40 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 50 min |
Nearby
Special Weather Statements in Nebraska, 2018Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.