Alert archive / Georgia / Flash Flood Warnings in 2026
Flash Flood Warning 36, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Jul 17, 2026, 8:59 PM EDT for 5 counties in Georgia. It was in force for 110 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
- Jul 17, 2026, 8:59 PM EDT (00:59 UTC)
- Expired
- Jul 17, 2026, 10:49 PM EDT
- In force
- 110 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- Unknown
Counties Emanuel County, GA, Montgomery County, GA, Toombs County, GA, Treutlen County, GA, Wheeler County, GA
The radar
The Robins AFB radar (KJGX), 83 km from the middle of the area, began a volume at 01:01 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.0 hours before the alert went out and 214 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
- 1522 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 972 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -101 m²/s²
- 0-3 km storm-relative helicity
- -28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
773
WGUS52 KFFC 180059
FFWFFC
GAC107-209-279-283-309-180700-
/O.NEW.KFFC.FF.W.0036.260718T0059Z-260718T0700Z/
/00000.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
859 PM EDT Fri Jul 17 2026
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
Northern Montgomery County in central Georgia...
Northeastern Wheeler County in central Georgia...
Southwestern Emanuel County in east central Georgia...
Treutlen County in east central Georgia...
Northwestern Toombs County in southeastern Georgia...
* Until 300 AM EDT Saturday.
* At 859 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 3 inches of rain
have fallen. The expected rainfall rate is 2 to 4 inches in 1 hour.
Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Swainsboro, Soperton, Mount Vernon, Vidalia, Glenwood, Oak Park,
Ailey, Higgston, Nunez, Tarrytown, Zaidee, Kibbee, Gillis Springs,
Normantown, Covena, Norristown, Lothair, Barnhill and Norristown
Junction.
This includes the following streams and drainages...
Flat Creek, Mill Creek, Jacks Creek, Oconee Branch, Oconee Creek,
Little Ohoopee River, Dry Branch, Crooked Creek, Peterson Creek,
Long Creek, Swift Creek, Cypress Creek, Oconee River, Rocky Creek,
Little Cypress Creek, Little Creek, McCullough Creek, Tiger Creek,
Cobb Creek, Naked Creek, Larry Creek, Pendleton Creek, Shotbag
Creek, Reedy Creek, Ochwalkee Creek, Yam Grandy Creek, Ohoopee
River, Open Creek, Camp Branch, Bear Creek, Bobtail Creek, Little
Red Bluff Creek, Little Rocky Creek, Mercer Creek, Big Branch and
Cypress Branch.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3237 8272 3263 8242 3249 8226 3224 8228
3211 8265 3236 8273
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...2-4 INCHES IN 1 HOUR
$$1 follow-up statement
485
WGUS72 KFFC 180249
FFSFFC
Flash Flood Statement
National Weather Service Peachtree City GA
1049 PM EDT Fri Jul 17 2026
GAC107-209-279-283-309-180259-
/O.CAN.KFFC.FF.W.0036.000000T0000Z-260718T0700Z/
/00000.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Emanuel GA-Montgomery GA-Toombs GA-Treutlen GA-Wheeler GA-
1049 PM EDT Fri Jul 17 2026
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHERN MONTGOMERY,
NORTHEASTERN WHEELER, SOUTHWESTERN EMANUEL, TREUTLEN AND NORTHWESTERN
TOOMBS COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
&&
LAT...LON 3237 8272 3263 8242 3249 8226 3224 8228
3211 8265 3236 8273
$$What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Atlanta, GA wrote its last area forecast discussion before this flash flood warning went out at Jul 17, 7:44 PM EDT, 1 hour 15 minutes earlier. Its key messages:
- A hot and muggy airmass remains in place, leading to heat index values reaching Heat Advisory criteria in portions of Eastern Georgia through this evening.
- Scattered afternoon thunderstorms continue each day. Some may be strong to severe with damaging wind gusts, frequent lightning, and locally heavy rainfall.
- Hot and humid conditions will persist into next week with triple digit heat index values remaining likely for many areas.
Area forecast discussion, Jul 17, 7:44 PM EDT, 1 hour 15 minutes before
Area Forecast Discussion
National Weather Service Peachtree City GA
744 PM EDT Fri Jul 17 2026
...New 00Z Aviation Discussion...
.KEY MESSAGES...
- A hot and muggy airmass remains in place, leading to heat
index values reaching Heat Advisory criteria in portions of
Eastern Georgia through this evening.
- Scattered afternoon thunderstorms continue each day. Some may
be strong to severe with damaging wind gusts, frequent
lightning, and locally heavy rainfall.
- Hot and humid conditions will persist into next week with
triple digit heat index values remaining likely for many
areas.
&&
.SHORT TERM...
(This afternoon through Saturday)
Issued at 222 PM EDT Fri Jul 17 2026
Afternoon Showers and Storms:
A very humid and warm airmass remains parked across the region,
resulting in muggy dewpoints in the 70s and high PWAT values
around 2-2.2". The 12Z sounding at our office actually had a PWAT
value of 2.15", which is in the range of daily maximums on record
for this time of year. This high source of moisture, combined with
enhanced forcing and instability from a mid-level disturbance
over the area, will lead to scattered to numerous showers and
thunderstorms this afternoon and evening. A few of these storms
could be strong to severe, capable of producing damaging wind
gusts, frequent lightning, and heavy rainfall. While this threat
will be possible across the area, the greatest risk will be along
and east of the I- 75 corridor, where higher instability and
forcing will be. We will have to watch closely for localized flash
flooding, as storms will have high rain rates and be slow-moving
with weak/convergent flow over the region. As per usual, urban,
mountainous, and poor- drainage areas will be the most at risk.
Rinse and repeat conditions on Saturday, with another quiet and
muggy start to the day, and scattered showers and storms
developing during afternoon. There will be slightly less forcing
as the mid- level disturbance slides west over Alabama, so
coverage of storms is likely to be lower than today. Still, with
plenty of moisture and instability in the area, a few strong to
severe storms will be possible, with the same threats as today's
storms.
Heat Concerns Continue:
The very humid airmass will continue to lead to heat concerns
through the start of the weekend. Today, high temperatures will
climb into the low to mid 90s across most of the area, with heat
index values peaking in the 100-108F range. A Heat Advisory is in
effect through 8PM for portions of Eastern GA that will see the
highest values. Another Heat Advisory will likely be needed for
parts of that area again on Saturday, as temperatures and heat
index values are expected to be pretty similar to today.
&&
.LONG TERM...
(Sunday morning through next Thursday)
Issued at 222 PM EDT Fri Jul 17 2026
By the time the weekend comes to a close, our chance for
afternoon showers and thunderstorms will begin to lessen as a
ridge builds in, driving our temperatures up. In fact, high
temperatures are the only real thing of note through the long term
forecast. Highs in the mid to upper 90s are expected every day
with apparent temperatures exceeding triple digits. By Wednesday,
a heat advisory may be needed for portions of the central and
eastern parts of the CWA as HI values exceed 105. Little in the
way of relief is expected during the overnight hours as temps only
fall into the low to mid 70s.
The models are suggesting the possibility of a dry cold front
towards the end of next week. We aren't seeing any sign of
significant precipitation but some drier air from the NW as the
ridge breaks down may give us a temporary reprieve from the
humidity. It's a long way to go though and plenty can change, so
plan for hot and humid for the days to come.
&&
.AVIATION...
(00Z TAFS)
Issued at 723 PM EDT Fri Jul 17 2026
TSRA has come to an end across most sites with CSG having TSRA
possible through the next hour. Skies begin to clear out overnight
before the cu field forms again tomorrow afternoon ~16-17z at
3-4kft. TSRA is again possible tomorrow afternoon with the best
timing between 19 and 23z like previous days. Winds expected to
remain out of the NW through the period.
//ATL Confidence...00Z Update...
Medium confidence on thunderstorms.
High confidence on all other elements.
Hernandez
&&
.PRELIMINARY POINT TEMPS/POPS...
Athens 73 93 74 93 / 10 20 20 40
Atlanta 75 92 75 92 / 20 20 10 50
Blairsville 68 85 68 85 / 20 40 10 60
Cartersville 73 92 73 92 / 30 30 10 50
Columbus 75 94 75 94 / 30 40 30 60
Gainesville 74 92 74 92 / 10 20 10 40
Macon 74 93 73 92 / 30 30 40 50
Rome 72 91 73 91 / 30 40 10 60
Peachtree City 73 92 73 92 / 30 30 10 50
Vidalia 75 95 74 94 / 30 40 30 30
&&
.FFC WATCHES/WARNINGS/ADVISORIES...
Heat Advisory until 8 PM EDT this evening for GAZ024-025-027-
035>039-047>051-059>062-072>076-084>086-097-098-111>113.
&&
SHORT TERM...Culver
LONG TERM....Vaughn
AVIATION...HernandezHazardous weather outlook, Jul 17, 8:37 PM EDT, 22 minutes before
Hazardous Weather Outlook National Weather Service Peachtree City GA 837 PM EDT Fri Jul 17 2026 GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086- 089>098-102>113-190045- Baldwin-Banks-Barrow-Bartow-Bibb-Bleckley-Butts-Carroll-Catoosa- Chattahoochee-Chattooga-Cherokee-Clarke-Clayton-Cobb-Coweta- Crawford-Crisp-Dade-Dawson-DeKalb-Dodge-Dooly-Douglas-Emanuel- Fannin-Fayette-Floyd-Forsyth-Gilmer-Glascock-Gordon-Greene- Gwinnett-Hall-Hancock-Haralson-Harris-Heard-Henry-Houston-Jackson- Jasper-Jefferson-Johnson-Jones-Lamar-Laurens-Lumpkin-Macon- Madison-Marion-Meriwether-Monroe-Montgomery-Morgan-Murray- Muscogee-Newton-North Fulton-Oconee-Oglethorpe-Paulding-Peach- Pickens-Pike-Polk-Pulaski-Putnam-Rockdale-Schley-South Fulton- Spalding-Stewart-Sumter-Talbot-Taliaferro-Taylor-Telfair-Toombs- Towns-Treutlen-Troup-Twiggs-Union-Upson-Walker-Walton-Warren- Washington-Webster-Wheeler-White-Whitfield-Wilcox-Wilkes- Wilkinson- 837 PM EDT Fri Jul 17 2026 This Hazardous Weather Outlook is for north and central Georgia. .DAY ONE...Tonight... Scattered thunderstorms this evening will be capable of producing heavy rainfall, gusty to locally damaging winds and frequent lightning. The heavy rain will elevate the risk for localized flash flooding. .DAYS TWO THROUGH SEVEN...Saturday through Thursday... Scattered to numerous afternoon thunderstorms are likely Saturday and Sunday. Any storms that form will be capable of producing gusty winds, frequent lightning, and locally heavy rainfall. Isolated to widely scattered storms will remain possible for parts of the area Monday through Thursday. Heat concerns will linger through next week as maximum heat index values are expected to rise into the triple digits for many areas. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed through tonight.
In the hours before
Special weather statement, Jul 17, 7:44 PM EDT, 1 hour 15 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
744 PM EDT Fri Jul 17 2026
GAZ104-180015-
Sumter GA-
744 PM EDT Fri Jul 17 2026
...A strong thunderstorm will impact portions of northwestern Sumter
County through 815 PM EDT...
At 744 PM EDT, a strong thunderstorm was near Americus, moving
northwest at 10 mph.
HAZARD...Up to 40 mph wind, frequent cloud to ground lightning and
heavy rain.
SOURCE...Radar indicated.
IMPACT...Expect minor damage to tree limbs and blowing around of
light, unsecured objects. Heavy rain may cause temporary
street flooding especially in poor drainage areas.
Locations impacted include...
Americus and Plains.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
People outdoors should seek shelter immediately. If you can hear
thunder, you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.
&&
LAT...LON 3206 8442 3217 8430 3216 8428 3216 8426
3209 8418 3197 8433
TIME...MOT...LOC 2344Z 136DEG 9KT 3209 8432
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPHSpecial weather statement, Jul 17, 7:49 PM EDT, 1 hour 10 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
749 PM EDT Fri Jul 17 2026
GAZ086-113-180030-
Toombs GA-Emanuel GA-
749 PM EDT Fri Jul 17 2026
...A strong thunderstorm will impact portions of northeastern Toombs
and south central Emanuel Counties through 830 PM EDT...
At 749 PM EDT, a strong thunderstorm was near Oak Park, or 11 miles
west of Metter, moving northwest at 15 mph.
HAZARD...Up to 40 mph wind, frequent cloud to ground lightning and
heavy rain.
SOURCE...Radar indicated.
IMPACT...Expect minor damage to tree limbs and blowing around of
light, unsecured objects. Heavy rain may cause temporary
street flooding especially in poor drainage areas.
Locations impacted include...
Stillmore, Oak Park, and Lexsy.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
People outdoors should seek shelter immediately. If you can hear
thunder, you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.
&&
LAT...LON 3248 8218 3243 8219 3235 8225 3235 8224
3228 8223 3224 8221 3234 8241 3237 8241
3239 8240 3242 8239 3256 8226 3251 8215
TIME...MOT...LOC 2349Z 127DEG 13KT 3238 8225
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPHSpecial weather statement, Jul 17, 7:53 PM EDT, 1 hour 6 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
753 PM EDT Fri Jul 17 2026
GAZ039-180030-
Wilkes GA-
753 PM EDT Fri Jul 17 2026
...A strong thunderstorm will impact portions of southeastern Wilkes
County through 830 PM EDT...
At 753 PM EDT, a strong thunderstorm was over Rocky Creek Fire Dept.,
or near Washington, moving west at 10 mph.
HAZARD...Up to 40 mph wind, frequent cloud to ground lightning and
heavy rain.
SOURCE...Radar indicated.
IMPACT...Expect minor damage to tree limbs and blowing around of
light, unsecured objects. Heavy rain may cause temporary
street flooding especially in poor drainage areas.
Locations impacted include...
Aonia, Rocky Creek Fire Dept., Metasville, Holliday Park, and Floral
Hill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
People outdoors should seek shelter immediately. If you can hear
thunder, you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.
&&
LAT...LON 3366 8251 3364 8256 3365 8258 3363 8258
3364 8259 3363 8261 3363 8262 3362 8262
3361 8265 3360 8265 3360 8269 3362 8269
3361 8275 3387 8261 3386 8260 3387 8258
3386 8257 3383 8260 3364 8248
TIME...MOT...LOC 2353Z 107DEG 7KT 3367 8266
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPHSpecial weather statement, Jul 17, 8:20 PM EDT, 39 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
820 PM EDT Fri Jul 17 2026
GAZ074-180100-
Washington GA-
820 PM EDT Fri Jul 17 2026
...A strong thunderstorm will impact portions of south central
Washington County through 900 PM EDT...
At 820 PM EDT, a strong thunderstorm was over Tennille, or near
Sandersville, moving north at 10 mph.
HAZARD...40 to 50 mph wind, frequent cloud to ground lightning and
heavy rain.
SOURCE...Radar indicated.
IMPACT...Expect minor damage to tree limbs and blowing around of
light, unsecured objects. Heavy rain may cause temporary
street flooding especially in poor drainage areas.
Locations impacted include...
Sandersville, Tennille, and Harrison.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
People outdoors should seek shelter immediately. If you can hear
thunder, you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.
&&
LAT...LON 3279 8270 3280 8279 3281 8280 3280 8282
3281 8291 3297 8292 3301 8270
TIME...MOT...LOC 0020Z 164DEG 10KT 3290 8283
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPHSpecial weather statement, Jul 17, 8:26 PM EDT, 33 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
826 PM EDT Fri Jul 17 2026
GAZ086-098-112-113-180115-
Toombs GA-Emanuel GA-Treutlen GA-Montgomery GA-
826 PM EDT Fri Jul 17 2026
...A strong thunderstorm will impact portions of northwestern Toombs,
south central Emanuel, eastern Treutlen and northeastern Montgomery
Counties through 915 PM EDT...
At 826 PM EDT, a strong thunderstorm was near Zaidee, or 8 miles east
of Soperton, moving northwest at 10 mph.
HAZARD...40 to 50 mph wind, frequent cloud to ground lightning and
heavy rain.
SOURCE...Radar indicated.
IMPACT...Expect minor damage to tree limbs and blowing around of
light, unsecured objects. Heavy rain may cause temporary
street flooding especially in poor drainage areas.
Locations impacted include...
Oak Park, Nunez, Tarrytown, Covena, Kibbee, and Normantown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
People outdoors should seek shelter immediately. If you can hear
thunder, you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.
&&
LAT...LON 3245 8227 3224 8234 3229 8257 3253 8244
TIME...MOT...LOC 0026Z 120DEG 7KT 3238 8244
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPHSpecial weather statement, Jul 17, 8:50 PM EDT, 9 minutes before
Special Weather Statement
National Weather Service Peachtree City GA
850 PM EDT Fri Jul 17 2026
GAZ074-076-180115-
Jefferson GA-Washington GA-
850 PM EDT Fri Jul 17 2026
...A strong thunderstorm will impact portions of east central
Washington and west central Jefferson Counties through 915 PM EDT...
At 850 PM EDT, a strong thunderstorm was near Warthen, or near
Sandersville, moving northwest at 5 mph.
HAZARD...Up to 40 mph wind, frequent cloud to ground lightning and
heavy rain.
SOURCE...Radar indicated.
IMPACT...Expect minor damage to tree limbs and blowing around of
light, unsecured objects. Heavy rain may cause temporary
street flooding especially in poor drainage areas.
Locations impacted include...
Sandersville, Davisboro, Grange, and Downs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
People outdoors should seek shelter immediately. If you can hear
thunder, you are close enough to be struck by lightning. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.
&&
LAT...LON 3300 8250 3298 8281 3306 8285 3312 8259
3312 8258 3313 8257
TIME...MOT...LOC 0050Z 145DEG 6KT 3306 8276
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPHThe office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 8:20 PM EDT | Special Weather Statement | FFC | Washington | 40 min |
| Jul 17, 8:26 PM EDT | Special Weather Statement | FFC | Treutlen | 49 min |
| Jul 17, 8:29 PM EDT | Flash Flood Warning | FFC | Schley, Sumter | 2 hr |
| Jul 17, 8:35 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel, Montgomery, Toombs, Treutlen, Wheeler | 55 min |
| Jul 17, 8:47 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel, Jefferson, Johnson | 43 min |
| Jul 17, 8:50 PM EDT | Special Weather Statement | FFC | Washington | 25 min |
| Jul 17, 9:03 PM EDT | Special Weather Statement | FFC | Jefferson | 27 min |
| Jul 17, 9:05 PM EDT | Special Weather Statement | FFC | Dooly | 25 min |
| Jul 17, 9:21 PM EDT | Special Weather Statement | FFC | Jefferson | 24 min |
| Jul 17, 9:24 PM EDT | Special Weather Statement | FFC | Johnson | 36 min |
| Jul 17, 9:29 PM EDT | Special Weather Statement | FFC | Johnson | 31 min |
| Jul 17, 10:03 PM EDT | Special Weather Statement | FFC | Montgomery, Telfair, Wheeler | 42 min |
| Jul 17, 11:07 PM EDT | Special Weather Statement | FFC | Telfair, Wheeler | 38 min |
| Jul 17, 11:14 PM EDT | Special Weather Statement | FFC | Warren | 31 min |
| Jul 18, 2:06 AM EDT | Heat Advisory | FFC | Baldwin, Bibb, Bleckley, Butts, Clarke, Crawford and 35 more | 18 hr |
| Jul 18, 6:37 PM EDT | Severe Thunderstorm Warning | FFC | Pulaski, Wilcox | 20 min |
| Jul 18, 6:40 PM EDT | Special Weather Statement | FFC | Fulton | 35 min |
| Jul 18, 7:42 PM EDT | Special Weather Statement | FFC | Sumter | 18 min |
Nearby
Flash Flood Warnings in Georgia, 2026Every flash flood warning in 2026
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.