Hail in Houston on Wednesday, January 6, 2021
The Storm Prediction Center logged 5 hail reports in Houston on Wednesday, January 6, 2021, between 5:31 pm and 6:21 pm CST, in 2 of the metro's 9 counties. The largest was 1.00 inches at 1 N Kemah (Galveston County) at 6:21 pm. NOAA radar flagged 325 hail signatures inside the metro that day: 9 rated a 100% chance of hail and 29 with a maximum expected size of 1 inch or more.
Where hail was reported
Reports came from 3 places in Brazoria and Galveston counties, named as the National Weather Service described them.
- Dickinson 2 reports, up to 1.00 in
- Kemah 2 reports, up to 1.00 in
- Iowa Colony 1 report, up to 1.00 in
Every hail report logged that day
Times are Central Standard Time. Sizes are in inches, as reported. The comment is the National Weather Service's text as published in the Storm Prediction Center's daily log.
| Time | Size | Place | County | NWS comment |
|---|---|---|---|---|
| 5:31 pm | 1.00 | 3 SSW Iowa Colony | Brazoria | (HGX) |
| 6:05 pm | 1.00 | 2 ENE Dickinson | Galveston | (HGX) |
| 6:05 pm | 1.00 | 1 ENE Dickinson | Galveston | CORRECTS PREVIOUS HAIL REPORT FROM 1 ENE DICKINSON. (HGX) |
| 6:05 pm | 1.00 | 1 SSW Kemah | Galveston | (HGX) |
| 6:21 pm | 1.00 | 1 N Kemah | Galveston | (HGX) |
What NEXRAD radar recorded inside the metro
325 signatures from 6 radars fell inside the metro's counties on this local date, counting every cell the algorithm rated from a 10% to a 100% chance of hail; 9 were rated 100% and 0 had a maximum expected size of 2 inches or more.
| Radar | Signatures | Rated 100% | 1 in or more | 2 in or more | Largest expected | First | Last |
|---|---|---|---|---|---|---|---|
| KIAH | 121 | 0 | 4 | 0 | 1.25 in | 3:14 pm | 6:13 pm |
| KHOU | 64 | 1 | 11 | 0 | 1.50 in | 3:56 pm | 6:56 pm |
| KEWX | 62 | 7 | 6 | 0 | 1.25 in | 2:51 pm | 5:44 pm |
| KHGX | 61 | 1 | 8 | 0 | 1.50 in | 3:14 pm | 6:36 pm |
| KPOE | 10 | 0 | 0 | 0 | 0.50 in | 5:16 pm | 6:16 pm |
| KCRP | 7 | 0 | 0 | 0 | 0.50 in | 5:39 pm | 6:35 pm |
Each radar that scans a storm writes its own signature about every 4 to 6 minutes, so one storm produces many rows and overlapping radars count it more than once. The raw rows for this day are in NOAA's Severe Weather Data Inventory.
Check an address for January 6, 2021
See, free, how many hail signatures NOAA recorded within 1, 3 and 5 miles of one address that day and the nearest spotter report. The full report is $19.
Spotter reports come from the Storm Prediction Center's preliminary daily logs, grouped here by local calendar date (Central Standard Time) and by county: a report counts for Houston when its coordinates fall inside one of the metro's 9 counties (Harris, Fort Bend, Montgomery, Brazoria, Galveston, Waller, Liberty, Chambers and Austin counties). Radar signatures are estimates from the Hail Detection Algorithm, not measured stones; they include every cell it rated, from a 10% to a 100% probability of hail. How these pages are built.