Alert archive / Kansas / Mesoscale Discussions in 2003
Mesoscale Discussion 2190
The Storm Prediction Center issued this mesoscale discussion at Aug 19, 2003, 2:51 PM CDT for 4 states. It was in force for 84 min.
The area
The outline as issued.
The facts
- Issued
- Aug 19, 2003, 2:51 PM CDT (19:51 UTC)
- Expired
- Aug 19, 2003, 4:15 PM CDT
- In force
- 84 min
- Issued by
- the Storm Prediction Center
All 50 counties
Adair County, IA, Adams County, IA, Audubon County, IA, Carroll County, IA, Cass County, IA, Fremont County, IA, Guthrie County, IA, Madison County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Ringgold County, IA, Shelby County, IA, Taylor County, IA, Union County, IA, Atchison County, KS, Brown County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Doniphan County, KS, Geary County, KS, Jackson County, KS, Marshall County, KS, Morris County, KS, Nemaha County, KS, Ottawa County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS, Andrew County, MO, Atchison County, MO, Holt County, MO, Nodaway County, MO, Worth County, MO, Cass County, NE, Douglas County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Sarpy County, NE
The radar
The Topeka radar (KTWX), 112 km from the middle of the area, began a volume at 19:53 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 7.9 hours before the alert went out and 111 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
- 1071 J/kg
- Mixed-layer CIN
- -160 J/kg
- Mixed-layer LCL
- 1566 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 ACUS11 KWNS 191952 SWOMCD SPC MCD 191951 IAZ000-MOZ000-KSZ000-NEZ000-192115- MESOSCALE DISCUSSION 2190 NWS STORM PREDICTION CENTER NORMAN OK 0251 PM CDT TUE AUG 19 2003 AREAS AFFECTED...ERN NEB/WRN IA/NE KS/NW MO CONCERNING...SEVERE THUNDERSTORM POTENTIAL VALID 191951Z - 192115Z CONVECTION DEVELOPING ALONG THE NERN KS-NEB STATE-LINE WILL CONTINUE TO EXPAND NEWD. A POTENTIAL WILL EXIST FOR DAMAGING WINDS AND/OR LARGE HAIL. WW WILL BE ISSUED OVER THE AREA SHORTLY. THUNDERSTORMS HAVE INITIATED ALONG A BAND OF STRONG LOW-LEVEL CONVERGENCE FROM NERN KS EXTENDING NEWD INTO CNTRL IA. MODERATE DEEP LAYER SHEAR IN THIS AREA HAS CREATED AN ENVIRONMENT FAVORABLE FOR ORGANIZED MULTICELL STORMS. THE THERMODYNAMIC ENVIRONMENT IS FAVORABLE FOR COLD CONVECTIVE DOWNDRAFTS AND RESULTING BOWING SEGMENTS/DAMAGING WIND POTENTIAL. ..BROYLES.. 08/19/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...DMX...EAX...OAX...TOP...ICT...GID... 38279697 39349816 40909674 42269500 41419364 40329430 39039565
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 1:08 PM CDT | Mesoscale Discussion | SPC | Audubon, Benton, Black Hawk, Boone, Bremer, Buchanan and 32 more | 2 hr |
| Aug 19, 3:25 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 33 more | 6 hr |
| Aug 19, 6:10 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 30 more | 95 min |
| Aug 19, 2:05 PM CDT | Mesoscale Discussion | SPC | Barton, Clark, Cloud, Comanche, Dickinson, Edwards and 24 more | 85 min |
| Aug 19, 2:40 PM CDT | Severe Thunderstorm Watch | SPC | Barber, Barton, Clark, Comanche, Edwards, Ellis and 26 more | 5 hr |
| Aug 19, 6:37 PM CDT | Mesoscale Discussion | SPC | Decatur, Norton, Phillips | 113 min |
| Aug 19, 2:38 PM CDT | Mesoscale Discussion | SPC | Benton, Caldwell, Camden, Carroll, Clay, Clinton and 29 more | 97 min |
| Aug 19, 3:29 PM CDT | Mesoscale Discussion | SPC | Dawes, Grant, Sheridan | 91 min |
Nearby
Mesoscale Discussions in Kansas, 2003Mesoscale Discussions in Iowa, 2003Mesoscale Discussions in Nebraska, 2003Every mesoscale discussion in 2003
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.